~ubuntu-branches/ubuntu/precise/tzdata/precise-security : revision 1.9.18

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# <pre>

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# This file is in the public domain, so clarified as of

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# 2009-05-17 by Arthur David Olson.

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# also includes Central America and the Caribbean

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# This data is by no means authoritative; if you think you know better,

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# This file is by no means authoritative; if you think you know better,

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# go ahead and edit the file (and please send any changes to

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# tz@iana.org for general use in the future).

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# tz@iana.org for general use in the future). For more, please see

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# the file CONTRIBUTING in the tz distribution.

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# From Paul Eggert (1999-03-22):

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# A reliable and entertaining source about time zones is

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# to push people into bed earlier, and get them up earlier, to make

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# them healthy, wealthy and wise in spite of themselves.

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#

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# -- Robertson Davies, The diary of Samuel Marchbanks,

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# -- Robertson Davies, The diary of Samuel Marchbanks,

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# Clarke, Irwin (1947), XIX, Sunday

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#

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# For more about the first ten years of DST in the United States, see

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# Robert Garland's <a href="http://www.clpgh.org/exhibit/dst.html">

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# Ten years of daylight saving from the Pittsburgh standpoint

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# (Carnegie Library of Pittsburgh, 1927)</a>.

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# Robert Garland, Ten years of daylight saving from the Pittsburgh standpoint

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# (Carnegie Library of Pittsburgh, 1927).

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# http://www.clpgh.org/exhibit/dst.html

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#

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# Shanks says that DST was called "War Time" in the US in 1918 and 1919.

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# However, DST was imposed by the Standard Time Act of 1918, which

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# From Arthur David Olson (2000-09-25):

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# Last night I heard part of a rebroadcast of a 1945 Arch Oboler radio drama.

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# In the introduction, Oboler spoke of "Eastern Peace Time."

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# An AltaVista search turned up

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# <a href="http://rowayton.org/rhs/hstaug45.html">:

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# An AltaVista search turned up:

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# http://rowayton.org/rhs/hstaug45.html

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# "When the time is announced over the radio now, it is 'Eastern Peace

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# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful."

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# </a> (August 1945) by way of confirmation.

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# (August 1945) by way of confirmation.

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# From Joseph Gallant citing

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# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987):

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# USA ALASKA STD 9 H BEHIND UTC MOST OF ALASKA (AKST)

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# USA ALASKA STD 8 H BEHIND UTC APR 3 - OCT 30 (AKDT)

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# USA ALEUTIAN 10 H BEHIND UTC ISLANDS WEST OF 170W

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# USA - " - 9 H BEHIND UTC APR 3 - OCT 30

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# USA " 9 H BEHIND UTC APR 3 - OCT 30

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# USA HAWAII 10 H BEHIND UTC

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# USA BERING 11 H BEHIND UTC SAMOA, MIDWAY

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# The following was signed into law on 2005-08-08.

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#

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# H.R. 6, Energy Policy Act of 2005, SEC. 110. DAYLIGHT SAVINGS.

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# (a) Amendment- Section 3(a) of the Uniform Time Act of 1966 (15

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# (a) Amendment.--Section 3(a) of the Uniform Time Act of 1966 (15

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# U.S.C. 260a(a)) is amended--

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# (1) by striking 'first Sunday of April' and inserting 'second

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# Sunday of March'; and

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# (2) by striking 'last Sunday of October' and inserting 'first

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# (1) by striking "first Sunday of April" and inserting "second

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# Sunday of March"; and

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# (2) by striking "last Sunday of October" and inserting "first

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# Sunday of November'.

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# (b) Effective Date- Subsection (a) shall take effect 1 year after the

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# (b) Effective Date.--Subsection (a) shall take effect 1 year after the

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# date of enactment of this Act or March 1, 2007, whichever is later.

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# (c) Report to Congress- Not later than 9 months after the effective

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# (c) Report to Congress.--Not later than 9 months after the effective

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# date stated in subsection (b), the Secretary shall report to Congress

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# on the impact of this section on energy consumption in the United

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# States.

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# (d) Right to Revert- Congress retains the right to revert the

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# (d) Right to Revert.--Congress retains the right to revert the

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# Daylight Saving Time back to the 2005 time schedules once the

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# Department study is complete.

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# From Paul Eggert (2005-08-26):

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# According to today's Huntsville Times

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# <http://www.al.com/news/huntsvilletimes/index.ssf?/base/news/1125047783228320.xml&coll=1>

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# http://www.al.com/news/huntsvilletimes/index.ssf?/base/news/1125047783228320.xml&coll=1

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# a few towns on Alabama's "eastern border with Georgia, such as Phenix City

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# in Russell County, Lanett in Chambers County and some towns in Lee County,

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# set their watches and clocks on Eastern time." It quotes H.H. "Bubba"

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# time zone, but we do go by the Eastern time zone because so many people work

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# in Columbus."

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# From Paul Eggert (2014-09-06):

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# Monthly Notices of the Royal Astronomical Society 44, 4 (1884-02-08), 208

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# says that New York City Hall time was 3 minutes 58.4 seconds fast of

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# Eastern time (i.e., -4:56:01.6) just before the 1883 switch. Round to the

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# nearest second.

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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER

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Rule NYC 1920 only - Mar lastSun 2:00 1:00 D

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Rule NYC 1920 only - Oct lastSun 2:00 0 S

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# Zone NAME GMTOFF RULES FORMAT [UNTIL]

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Zone America/Chicago -5:50:36 - LMT 1883 Nov 18 12:09:24

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-6:00 US C%sT 1920

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-6:00 Chicago C%sT 1936 Mar 1 2:00

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-5:00 - EST 1936 Nov 15 2:00

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-6:00 Chicago C%sT 1936 Mar 1 2:00

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-5:00 - EST 1936 Nov 15 2:00

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-6:00 Chicago C%sT 1942

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-6:00 US C%sT 1946

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-6:00 Chicago C%sT 1967

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-6:00 US C%sT

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# Oliver County, ND switched from mountain to central time on 1992-10-25.

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Zone America/North_Dakota/Center -6:45:12 - LMT 1883 Nov 18 12:14:48

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-7:00 US M%sT 1992 Oct 25 02:00

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-7:00 US M%sT 1992 Oct 25 2:00

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-6:00 US C%sT

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# Morton County, ND, switched from mountain to central time on

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# 2003-10-26, except for the area around Mandan which was already central time.

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# Jones, Mellette, and Todd Counties in South Dakota;

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# but in practice these other counties were already observing central time.

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# See <http://www.epa.gov/fedrgstr/EPA-IMPACT/2003/October/Day-28/i27056.htm>.

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Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21

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-7:00 US M%sT 2003 Oct 26 02:00

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Zone America/North_Dakota/New_Salem -6:45:39 - LMT 1883 Nov 18 12:14:21

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-7:00 US M%sT 2003 Oct 26 2:00

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-6:00 US C%sT

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# From Josh Findley (2011-01-21):

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# ...it appears that Mercer County, North Dakota, changed from the

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# mountain time zone to the central time zone at the last transition from

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# daylight-saving to standard time (on Nov. 7, 2010):

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# <a href="http://www.gpo.gov/fdsys/pkg/FR-2010-09-29/html/2010-24376.htm">

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# http://www.gpo.gov/fdsys/pkg/FR-2010-09-29/html/2010-24376.htm

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# </a>

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# <a href="http://www.bismarcktribune.com/news/local/article_1eb1b588-c758-11df-b472-001cc4c03286.html">

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# http://www.bismarcktribune.com/news/local/article_1eb1b588-c758-11df-b472-001cc4c03286.html

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# </a>

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# From Andy Lipscomb (2011-01-24):

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# ...according to the Census Bureau, the largest city is Beulah (although

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# it's commonly referred to as Beulah-Hazen, with Hazen being the next

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# largest city in Mercer County). Google Maps places Beulah's city hall

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# at 4715'51" north, 10146'40" west, which yields an offset of 6h47'07".

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# at 47 degrees 15' 51" N, 101 degrees 46' 40" W, which yields an offset

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# of 6h47'07".

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Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53

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-7:00 US M%sT 2010 Nov 7 2:00

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Zone America/North_Dakota/Beulah -6:47:07 - LMT 1883 Nov 18 12:12:53

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-7:00 US M%sT 2010 Nov 7 2:00

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-6:00 US C%sT

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# US mountain time, represented by Denver

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# was destroyed in 1805 by a Yakutat-kon war party.) However, there

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# were nearby inhabitants in some cases and for our purposes perhaps

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# it's best to simply use the official transition.

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#

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# From Steve Ferguson (2011-01-31):

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# The author lives in Alaska and many of the references listed are only

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# available to Alaskan residents.

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# From Paul Eggert (2014-07-18):

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# One opinion of the early-1980s turmoil in Alaska over time zones and

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# daylight saving time appeared as graffiti on a Juneau airport wall:

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# "Welcome to Juneau. Please turn your watch back to the 19th century."

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# See: Turner W. Alaska's four time zones now two. NY Times 1983-11-01.

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# http://www.nytimes.com/1983/11/01/us/alaska-s-four-time-zones-now-two.html

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#

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# <a href="http://www.alaskahistoricalsociety.org/index.cfm?section=discover%20alaska&page=Glimpses%20of%20the%20Past&viewpost=2&ContentId=98">

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# http://www.alaskahistoricalsociety.org/index.cfm?section=discover%20alaska&page=Glimpses%20of%20the%20Past&viewpost=2&ContentId=98

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# </a>

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# Steve Ferguson (2011-01-31) referred to the following source:

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# Norris F. Keeping time in Alaska: national directives, local response.

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# Alaska History 2001;16(1-2).

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# http://alaskahistoricalsociety.org/discover-alaska/glimpses-of-the-past/keeping-time-in-alaska/

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# From Arthur David Olson (2011-02-01):

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# Here's database-relevant material from the 2001 "Alaska History" article:

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# From Arthur David Olson (2011-02-09):

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# I just spoke by phone with a staff member at the Metlakatla Indian

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# Community office (using contact information available at

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# <a href="http://www.commerce.state.ak.us/dca/commdb/CIS.cfm?Comm_Boro_name=Metlakatla">

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# http://www.commerce.state.ak.us/dca/commdb/CIS.cfm?Comm_Boro_name=Metlakatla

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# </a>).

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# It's shortly after 1:00 here on the east coast of the United States;

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# the staffer said it was shortly after 10:00 there. When I asked whether

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# that meant they were on Pacific time, they said no--they were on their

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# that meant they were on Pacific time, they said no - they were on their

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# own time. I asked about daylight saving; they said it wasn't used. I

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# did not inquire about practices in the past.

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-8:00 - PST 1942

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-8:00 US P%sT 1946

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-8:00 - PST 1969

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-8:00 US P%sT 1980 Apr 27 2:00

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-9:00 US Y%sT 1980 Oct 26 2:00

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-8:00 US P%sT 1983 Oct 30 2:00

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-8:00 US P%sT 1980 Apr 27 2:00

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-9:00 US Y%sT 1980 Oct 26 2:00

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-8:00 US P%sT 1983 Oct 30 2:00

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-9:00 US Y%sT 1983 Nov 30

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-9:00 US AK%sT

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Zone America/Sitka 14:58:47 - LMT 1867 Oct 18

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-8:00 - PST 1942

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-8:00 US P%sT 1946

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-8:00 - PST 1969

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-8:00 US P%sT 1983 Oct 30 2:00

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-8:00 US P%sT 1983 Oct 30 2:00

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-9:00 US Y%sT 1983 Nov 30

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-9:00 US AK%sT

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Zone America/Metlakatla 15:13:42 - LMT 1867 Oct 18

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-8:00 - PST 1942

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-8:00 US P%sT 1946

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-8:00 - PST 1969

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-8:00 US P%sT 1983 Oct 30 2:00

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-8:00 - MeST

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-8:00 US P%sT 1983 Oct 30 2:00

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-8:00 - PST

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Zone America/Yakutat 14:41:05 - LMT 1867 Oct 18

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-9:18:55 - LMT 1900 Aug 20 12:00

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-9:00 - YST 1942

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-10:00 US CAT/CAPT 1946 # Peace

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-10:00 - CAT 1967 Apr

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-10:00 - AHST 1969

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-10:00 US AH%sT 1983 Oct 30 2:00

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-10:00 US AH%sT 1983 Oct 30 2:00

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-9:00 US Y%sT 1983 Nov 30

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-9:00 US AK%sT

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Zone America/Nome 12:58:21 - LMT 1867 Oct 18

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-11:00 US N%sT 1946

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-11:00 - NST 1967 Apr

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-11:00 - BST 1969

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-11:00 US B%sT 1983 Oct 30 2:00

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-11:00 US B%sT 1983 Oct 30 2:00

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-9:00 US Y%sT 1983 Nov 30

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-9:00 US AK%sT

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Zone America/Adak 12:13:21 - LMT 1867 Oct 18

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-11:00 US N%sT 1946

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-11:00 - NST 1967 Apr

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-11:00 - BST 1969

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-11:00 US B%sT 1983 Oct 30 2:00

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-11:00 US B%sT 1983 Oct 30 2:00

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-10:00 US AH%sT 1983 Nov 30

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-10:00 US HA%sT

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# The following switches don't quite make our 1970 cutoff.

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# Minutes of the Unalaska City Council Meeting, January 10, 1967:

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# "Except for St. Paul and Akutan, Unalaska is the only important

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# location not on Alaska Standard Time. The following resolution was

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# made by William Robinson and seconded by Henry Swanson: Be it

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# made by William Robinson and seconded by Henry Swanson: Be it

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# resolved that the City of Unalaska hereby goes to Alaska Standard

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# Time as of midnight Friday, January 13, 1967 (1 A.M. Saturday,

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# January 14, Alaska Standard Time.) This resolution was passed with

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# "Hawaiian Time" by Robert C. Schmitt and Doak C. Cox appears on pages 207-225

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# of volume 26 of The Hawaiian Journal of History (1992). As of 2010-12-09,

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# the article is available at

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# <a href="http://evols.library.manoa.hawaii.edu/bitstream/10524/239/2/JL26215.pdf">

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# http://evols.library.manoa.hawaii.edu/bitstream/10524/239/2/JL26215.pdf

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# </a>

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# and indicates that standard time was adopted effective noon, January

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# 13, 1896 (page 218), that in "1933, the Legislature decreed daylight

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# saving for the period between the last Sunday of each April and the

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# year, the standard time of this Territory shall be advanced one

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# hour...This Act shall take effect upon its approval. Approved this 26th

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# day of April, A. D. 1933. LAWRENCE M JUDD, Governor of the Territory of

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# Hawaii." Page 172: "Act 163...Act 90 of the Session Laws of 1933 is

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# Hawaii." Page 172: "Act 163...Act 90 of the Session Laws of 1933 is

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# hereby repealed...This Act shall take effect upon its approval, upon

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# which date the standard time of this Territory shall be restored to

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# that existing immediately prior to the taking effect of said Act 90.

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# Note that 1933-05-21 was a Sunday.

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# We're left to guess the time of day when Act 163 was approved; guess noon.

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Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00 #Schmitt&Cox

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-10:30 - HST 1933 Apr 30 2:00 #Laws 1933

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-10:30 1:00 HDT 1933 May 21 12:00 #Laws 1933+12

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-10:30 - HST 1942 Feb 09 2:00 #Schmitt&Cox+2

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-10:30 1:00 HDT 1945 Sep 30 2:00 #Schmitt&Cox+2

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-10:30 - HST 1947 Jun 8 2:00 #Schmitt&Cox+2

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# Zone NAME GMTOFF RULES FORMAT [UNTIL]

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Zone Pacific/Honolulu -10:31:26 - LMT 1896 Jan 13 12:00

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-10:30 - HST 1933 Apr 30 2:00

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-10:30 1:00 HDT 1933 May 21 12:00

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-10:30 - HST 1942 Feb 9 2:00

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-10:30 1:00 HDT 1945 Sep 30 2:00

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-10:30 - HST 1947 Jun 8 2:00

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-10:00 - HST

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Link Pacific/Honolulu Pacific/Johnston

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# Now we turn to US areas that have diverged from the consensus since 1970.

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# From Paul Eggert (2002-10-20):

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#

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# The information in the rest of this paragraph is derived from the

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# <a href="http://www.dlapr.lib.az.us/links/daylight.htm">

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# Daylight Saving Time web page (2002-01-23)</a> maintained by the

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# Arizona State Library, Archives and Public Records.

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# Daylight Saving Time web page

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# <http://www.dlapr.lib.az.us/links/daylight.htm> (2002-01-23)

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# maintained by the Arizona State Library, Archives and Public Records.

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# Between 1944-01-01 and 1944-04-01 the State of Arizona used standard

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# time, but by federal law railroads, airlines, bus lines, military

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# personnel, and some engaged in interstate commerce continued to

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# Shanks says the 1944 experiment came to an end on 1944-03-17.

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# Go with the Arizona State Library instead.

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# Zone NAME GMTOFF RULES FORMAT [UNTIL]

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Zone America/Phoenix -7:28:18 - LMT 1883 Nov 18 11:31:42

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-7:00 US M%sT 1944 Jan 1 00:01

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-7:00 - MST 1944 Apr 1 00:01

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-7:00 US M%sT 1944 Oct 1 00:01

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-7:00 US M%sT 1944 Jan 1 0:01

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-7:00 - MST 1944 Apr 1 0:01

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-7:00 US M%sT 1944 Oct 1 0:01

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-7:00 - MST 1967

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-7:00 US M%sT 1968 Mar 21

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-7:00 - MST

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#

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# Zone NAME GMTOFF RULES FORMAT [UNTIL]

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Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:15:11

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-8:00 US P%sT 1923 May 13 2:00

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-8:00 US P%sT 1923 May 13 2:00

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-7:00 US M%sT 1974

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-7:00 - MST 1974 Feb 3 2:00

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-7:00 - MST 1974 Feb 3 2:00

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-7:00 US M%sT

660

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661

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# Indiana

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#

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# For a map of Indiana's time zone regions, see:

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# <a href="http://www.mccsc.edu/time.html">

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# What time is it in Indiana?

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# </a> (2006-03-01)

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# http://en.wikipedia.org/wiki/Time_in_Indiana

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#

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# From Paul Eggert (2007-08-17):

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# Since 1970, most of Indiana has been like America/Indiana/Indianapolis,

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# with the following exceptions:

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#

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# - Gibson, Jasper, Lake, LaPorte, Newton, Porter, Posey, Spencer,

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# Vandenburgh, and Warrick counties have been like America/Chicago.

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# Vanderburgh, and Warrick counties have been like America/Chicago.

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#

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# - Dearborn and Ohio counties have been like America/New_York.

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#

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# that they would be ambiguous if we left them at the 'America' level.

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# So we reluctantly put them all in a subdirectory 'America/Indiana'.

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# From Paul Eggert (2005-08-16):

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# http://www.mccsc.edu/time.html says that Indiana will use DST starting 2006.

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# From Nathan Stratton Treadway (2006-03-30):

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# http://www.dot.gov/affairs/dot0406.htm [3705 B]

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# From Deborah Goldsmith (2006-01-18):

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# http://dmses.dot.gov/docimages/pdf95/382329_web.pdf [2.9 MB]

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# From Paul Eggert (2006-01-20):

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# It says "DOT is relocating the time zone boundary in Indiana to move Starke,

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# From Paul Eggert (2014-06-26):

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# https://www.federalregister.gov/articles/2006/01/20/06-563/standard-time-zone-boundary-in-the-state-of-indiana

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# says "DOT is relocating the time zone boundary in Indiana to move Starke,

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# Pulaski, Knox, Daviess, Martin, Pike, Dubois, and Perry Counties from the

702

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# Eastern Time Zone to the Central Time Zone.... The effective date of

703

# this rule is 2:OO a.m. EST Sunday, April 2, 2006, which is the

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# this rule is 2 a.m. EST Sunday, April 2, 2006, which is the

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# changeover date from standard time to Daylight Saving Time."

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# Strictly speaking, this means the affected counties will change their

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# clocks twice that night, but this obviously is in error. The intent

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# is that 01:59:59 EST be followed by 02:00:00 CDT.

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# Strictly speaking, this meant the affected counties changed their

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# clocks twice that night, but this obviously was in error. The intent

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# was that 01:59:59 EST be followed by 02:00:00 CDT.

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709

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# From Gwillim Law (2007-02-10):

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# The Associated Press has been reporting that Pulaski County, Indiana is

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Rule Indianapolis 1941 1954 - Sep lastSun 2:00 0 S

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Rule Indianapolis 1946 1954 - Apr lastSun 2:00 1:00 D

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# Zone NAME GMTOFF RULES FORMAT [UNTIL]

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Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22

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Zone America/Indiana/Indianapolis -5:44:38 - LMT 1883 Nov 18 12:15:22

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-6:00 US C%sT 1920

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-6:00 Indianapolis C%sT 1942

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-6:00 US C%sT 1946

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-6:00 Indianapolis C%sT 1955 Apr 24 2:00

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-5:00 - EST 1957 Sep 29 2:00

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-6:00 - CST 1958 Apr 27 2:00

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-6:00 Indianapolis C%sT 1955 Apr 24 2:00

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-5:00 - EST 1957 Sep 29 2:00

720

-6:00 - CST 1958 Apr 27 2:00

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-5:00 - EST 1969

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-5:00 US E%sT 1971

728

723

-5:00 - EST 2006

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# Zone NAME GMTOFF RULES FORMAT [UNTIL]

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Zone America/Indiana/Marengo -5:45:23 - LMT 1883 Nov 18 12:14:37

740

735

-6:00 US C%sT 1951

741

-6:00 Marengo C%sT 1961 Apr 30 2:00

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-6:00 Marengo C%sT 1961 Apr 30 2:00

742

737

-5:00 - EST 1969

743

-5:00 US E%sT 1974 Jan 6 2:00

744

-6:00 1:00 CDT 1974 Oct 27 2:00

738

-5:00 US E%sT 1974 Jan 6 2:00

739

-6:00 1:00 CDT 1974 Oct 27 2:00

745

740

-5:00 US E%sT 1976

746

741

-5:00 - EST 2006

747

742

-5:00 US E%sT

762

757

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

763

758

Zone America/Indiana/Vincennes -5:50:07 - LMT 1883 Nov 18 12:09:53

764

759

-6:00 US C%sT 1946

765

-6:00 Vincennes C%sT 1964 Apr 26 2:00

760

-6:00 Vincennes C%sT 1964 Apr 26 2:00

766

761

-5:00 - EST 1969

767

762

-5:00 US E%sT 1971

768

-5:00 - EST 2006 Apr 2 2:00

769

-6:00 US C%sT 2007 Nov 4 2:00

763

-5:00 - EST 2006 Apr 2 2:00

764

-6:00 US C%sT 2007 Nov 4 2:00

770

765

-5:00 US E%sT

771

766

#

772

767

# Perry County, Indiana, switched from eastern to central time in April 2006.

783

778

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

784

779

Zone America/Indiana/Tell_City -5:47:03 - LMT 1883 Nov 18 12:12:57

785

780

-6:00 US C%sT 1946

786

-6:00 Perry C%sT 1964 Apr 26 2:00

781

-6:00 Perry C%sT 1964 Apr 26 2:00

787

782

-5:00 - EST 1969

788

783

-5:00 US E%sT 1971

789

-5:00 - EST 2006 Apr 2 2:00

784

-5:00 - EST 2006 Apr 2 2:00

790

785

-6:00 US C%sT

791

786

#

792

787

# Pike County, Indiana moved from central to eastern time in 1977,

799

794

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

800

795

Zone America/Indiana/Petersburg -5:49:07 - LMT 1883 Nov 18 12:10:53

801

796

-6:00 US C%sT 1955

802

-6:00 Pike C%sT 1965 Apr 25 2:00

803

-5:00 - EST 1966 Oct 30 2:00

804

-6:00 US C%sT 1977 Oct 30 2:00

805

-5:00 - EST 2006 Apr 2 2:00

806

-6:00 US C%sT 2007 Nov 4 2:00

797

-6:00 Pike C%sT 1965 Apr 25 2:00

798

-5:00 - EST 1966 Oct 30 2:00

799

-6:00 US C%sT 1977 Oct 30 2:00

800

-5:00 - EST 2006 Apr 2 2:00

801

-6:00 US C%sT 2007 Nov 4 2:00

807

802

-5:00 US E%sT

808

803

#

809

804

# Starke County, Indiana moved from central to eastern time in 1991,

821

816

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

822

817

Zone America/Indiana/Knox -5:46:30 - LMT 1883 Nov 18 12:13:30

823

818

-6:00 US C%sT 1947

824

-6:00 Starke C%sT 1962 Apr 29 2:00

825

-5:00 - EST 1963 Oct 27 2:00

826

-6:00 US C%sT 1991 Oct 27 2:00

827

-5:00 - EST 2006 Apr 2 2:00

819

-6:00 Starke C%sT 1962 Apr 29 2:00

820

-5:00 - EST 1963 Oct 27 2:00

821

-6:00 US C%sT 1991 Oct 27 2:00

822

-5:00 - EST 2006 Apr 2 2:00

828

823

-6:00 US C%sT

829

824

#

830

825

# Pulaski County, Indiana, switched from eastern to central time in

837

832

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

838

833

Zone America/Indiana/Winamac -5:46:25 - LMT 1883 Nov 18 12:13:35

839

834

-6:00 US C%sT 1946

840

-6:00 Pulaski C%sT 1961 Apr 30 2:00

835

-6:00 Pulaski C%sT 1961 Apr 30 2:00

841

836

-5:00 - EST 1969

842

837

-5:00 US E%sT 1971

843

-5:00 - EST 2006 Apr 2 2:00

844

-6:00 US C%sT 2007 Mar 11 2:00

838

-5:00 - EST 2006 Apr 2 2:00

839

-6:00 US C%sT 2007 Mar 11 2:00

845

840

-5:00 US E%sT

846

841

#

847

842

# Switzerland County, Indiana, did not observe DST from 1973 through 2005.

848

843

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

849

844

Zone America/Indiana/Vevay -5:40:16 - LMT 1883 Nov 18 12:19:44

850

-6:00 US C%sT 1954 Apr 25 2:00

845

-6:00 US C%sT 1954 Apr 25 2:00

851

846

-5:00 - EST 1969

852

847

-5:00 US E%sT 1973

853

848

-5:00 - EST 2006

868

863

-6:00 US C%sT 1921

869

864

-6:00 Louisville C%sT 1942

870

865

-6:00 US C%sT 1946

871

-6:00 Louisville C%sT 1961 Jul 23 2:00

866

-6:00 Louisville C%sT 1961 Jul 23 2:00

872

867

-5:00 - EST 1968

873

-5:00 US E%sT 1974 Jan 6 2:00

874

-6:00 1:00 CDT 1974 Oct 27 2:00

868

-5:00 US E%sT 1974 Jan 6 2:00

869

-6:00 1:00 CDT 1974 Oct 27 2:00

875

870

-5:00 US E%sT

876

871

#

877

872

# Wayne County, Kentucky

878

873

#

879

# From

880

# <a href="http://www.lake-cumberland.com/life/archive/news990129time.shtml">

881

# Lake Cumberland LIFE

882

# </a> (1999-01-29) via WKYM-101.7:

874

# From Lake Cumberland LIFE

875

# http://www.lake-cumberland.com/life/archive/news990129time.shtml

876

# (1999-01-29) via WKYM-101.7:

883

877

# Clinton County has joined Wayne County in asking the DoT to change from

884

878

# the Central to the Eastern time zone.... The Wayne County government made

885

879

# the same request in December. And while Russell County officials have not

896

890

#

897

891

# From Paul Eggert (2001-07-16):

898

892

# The final rule was published in the

899

# <a href="http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=2000_register&docid=fr17au00-22">

900

# Federal Register 65, 160 (2000-08-17), page 50154-50158.

901

# </a>

893

# Federal Register 65, 160 (2000-08-17), pp 50154-50158.

894

# http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=2000_register&docid=fr17au00-22

902

895

#

903

896

Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:20:36

904

897

-6:00 US C%sT 1946

923

916

# See America/North_Dakota/Center for the Oliver County, ND change.

924

917

# West Wendover, NV officially switched from Pacific to mountain time on

925

918

# 1999-10-31. See the

926

# <a href="http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=1999_register&docid=fr21oc99-15">

927

# Federal Register 64, 203 (1999-10-21), page 56705-56707.

928

# </a>

919

# Federal Register 64, 203 (1999-10-21), pp 56705-56707.

920

# http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=1999_register&docid=fr21oc99-15

929

921

# However, the Federal Register says that West Wendover already operated

930

922

# on mountain time, and the rule merely made this official;

931

923

# hence a separate tz entry is not needed.

963

955

Rule Detroit 1967 only - Oct lastSun 2:00 0 S

964

956

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

965

957

Zone America/Detroit -5:32:11 - LMT 1905

966

-6:00 - CST 1915 May 15 2:00

958

-6:00 - CST 1915 May 15 2:00

967

959

-5:00 - EST 1942

968

960

-5:00 US E%sT 1946

969

961

-5:00 Detroit E%sT 1973

970

962

-5:00 US E%sT 1975

971

-5:00 - EST 1975 Apr 27 2:00

963

-5:00 - EST 1975 Apr 27 2:00

972

964

-5:00 US E%sT

973

965

#

974

966

# Dickinson, Gogebic, Iron, and Menominee Counties, Michigan,

981

973

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

982

974

Zone America/Menominee -5:50:27 - LMT 1885 Sep 18 12:00

983

975

-6:00 US C%sT 1946

984

-6:00 Menominee C%sT 1969 Apr 27 2:00

985

-5:00 - EST 1973 Apr 29 2:00

976

-6:00 Menominee C%sT 1969 Apr 27 2:00

977

-5:00 - EST 1973 Apr 29 2:00

986

978

-6:00 US C%sT

987

979

988

980

# Navassa

1030

1022

1031

1023

# Canada

1032

1024

1033

# From Alain LaBont<e'> (1994-11-14):

1025

# From Alain LaBonté (1994-11-14):

1034

1026

# I post here the time zone abbreviations standardized in Canada

1035

1027

# for both English and French in the CAN/CSA-Z234.4-89 standard....

1036

1028

#

1037

# UTC Standard time Daylight savings time

1029

# UTC Standard time Daylight saving time

1038

1030

# offset French English French English

1039

1031

# -2:30 - - HAT NDT

1040

1032

# -3 - - HAA ADT

1047

1039

# -9 HNY YST - -

1048

1040

#

1049

1041

# HN: Heure Normale ST: Standard Time

1050

# HA: Heure Avanc<e'>e DT: Daylight saving Time

1042

# HA: Heure Avancée DT: Daylight saving Time

1051

1043

#

1052

1044

# A: de l'Atlantique Atlantic

1053

1045

# C: du Centre Central

1062

1054

# From Paul Eggert (1994-11-22):

1063

1055

# Alas, this sort of thing must be handled by localization software.

1064

1056

1065

# Unless otherwise specified, the data for Canada are all from Shanks

1057

# Unless otherwise specified, the data entries for Canada are all from Shanks

1066

1058

# & Pottenger.

1067

1059

1068

1060

# From Chris Walton (2006-04-01, 2006-04-25, 2006-06-26, 2007-01-31,

1111

1103

1112

1104

# From Paul Eggert (2006-04-25):

1113

1105

# H. David Matthews and Mary Vincent's map

1114

# <a href="http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp">

1115

1106

# "It's about TIME", _Canadian Geographic_ (September-October 1998)

1116

# </a> contains detailed boundaries for regions observing nonstandard

1107

# http://www.canadiangeographic.ca/Magazine/SO98/geomap.asp

1108

# contains detailed boundaries for regions observing nonstandard

1117

1109

# time and daylight saving time arrangements in Canada circa 1998.

1118

1110

#

1119

# INMS, the Institute for National Measurement Standards in Ottawa, has <a

1120

# href="http://inms-ienm.nrc-cnrc.gc.ca/en/time_services/daylight_saving_e.php">

1111

# INMS, the Institute for National Measurement Standards in Ottawa, has

1121

1112

# information about standard and daylight saving time zones in Canada.

1122

# </a> (updated periodically).

1113

# http://inms-ienm.nrc-cnrc.gc.ca/en/time_services/daylight_saving_e.php

1114

# (updated periodically).

1123

1115

# Its unofficial information is often taken from Matthews and Vincent.

1124

1116

1125

1117

# From Paul Eggert (2006-06-27):

1128

1120

1129

1121

# From Chris Walton (2011-12-01)

1130

1122

# In the first of Tammy Hardwick's articles

1131

# <a href="http://www.ilovecreston.com/?p=articles&t=spec&ar=260">

1132

1123

# http://www.ilovecreston.com/?p=articles&t=spec&ar=260

1133

# </a>

1134

1124

# she quotes the Friday November 1/1918 edition of the Creston Review.

1135

1125

# The quote includes these two statements:

1136

1126

# 'Sunday the CPR went back to the old system of time...'

1198

1188

# Time to Standard Time and from Standard Time to Daylight Savings Time

1199

1189

# now occurs at 2:00AM.

1200

1190

# ...

1201

# <a href="http://www.assembly.nl.ca/legislation/sr/annualstatutes/2011/1106.chp.htm">

1202

1191

# http://www.assembly.nl.ca/legislation/sr/annualstatutes/2011/1106.chp.htm

1203

# </a>

1204

1192

# ...

1205

1193

# MICHAEL PELLEY | Manager of Enterprise Architecture - Solution Delivery

1206

1194

# Office of the Chief Information Officer

1236

1224

-3:30 - NST 1936

1237

1225

-3:30 StJohns N%sT 1942 May 11

1238

1226

-3:30 Canada N%sT 1946

1239

-3:30 StJohns N%sT 1966 Mar 15 2:00

1227

-3:30 StJohns N%sT 1966 Mar 15 2:00

1240

1228

-4:00 StJohns A%sT 2011 Nov

1241

1229

-4:00 Canada A%sT

1242

1230

1297

1285

Zone America/Halifax -4:14:24 - LMT 1902 Jun 15

1298

1286

-4:00 Halifax A%sT 1918

1299

1287

-4:00 Canada A%sT 1919

1300

-4:00 Halifax A%sT 1942 Feb 9 2:00s

1288

-4:00 Halifax A%sT 1942 Feb 9 2:00s

1301

1289

-4:00 Canada A%sT 1946

1302

1290

-4:00 Halifax A%sT 1974

1303

1291

-4:00 Canada A%sT

1356

1344

# meridian is supposed to observe AST, but residents as far east as

1357

1345

# Natashquan use EST/EDT, and residents east of Natashquan use AST.

1358

1346

# The Quebec department of justice writes in

1359

# "The situation in Minganie and Basse-Cote-Nord"

1347

# "The situation in Minganie and Basse-Côte-Nord"

1360

1348

# http://www.justice.gouv.qc.ca/english/publications/generale/temps-minganie-a.htm

1361

1349

# that the coastal strip from just east of Natashquan to Blanc-Sablon

1362

1350

# observes Atlantic standard time all year round.

1364

1352

# says this common practice was codified into law as of 2007.

1365

1353

# For lack of better info, guess this practice began around 1970, contra to

1366

1354

# Shanks & Pottenger who have this region observing AST/ADT.

1367

# for post-1970 data America/Puerto_Rico.

1368

1355

1369

1356

# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S

1370

1357

Rule Mont 1917 only - Mar 25 2:00 1:00 D

1378

1365

Rule Mont 1924 only - May 17 2:00 1:00 D

1379

1366

Rule Mont 1924 1926 - Sep lastSun 2:30 0 S

1380

1367

Rule Mont 1925 1926 - May Sun>=1 2:00 1:00 D

1381

# The 1927-to-1937 rules can be expressed more simply as

1382

# Rule Mont 1927 1937 - Apr lastSat 24:00 1:00 D

1383

# Rule Mont 1927 1937 - Sep lastSat 24:00 0 S

1384

# The rules below avoid use of 24:00

1385

# (which pre-1998 versions of zic cannot handle).

1386

Rule Mont 1927 only - May 1 0:00 1:00 D

1387

Rule Mont 1927 1932 - Sep lastSun 0:00 0 S

1388

Rule Mont 1928 1931 - Apr lastSun 0:00 1:00 D

1389

Rule Mont 1932 only - May 1 0:00 1:00 D

1390

Rule Mont 1933 1940 - Apr lastSun 0:00 1:00 D

1391

Rule Mont 1933 only - Oct 1 0:00 0 S

1392

Rule Mont 1934 1939 - Sep lastSun 0:00 0 S

1368

Rule Mont 1927 1937 - Apr lastSat 24:00 1:00 D

1369

Rule Mont 1927 1937 - Sep lastSat 24:00 0 S

1370

Rule Mont 1938 1940 - Apr lastSun 0:00 1:00 D

1371

Rule Mont 1938 1939 - Sep lastSun 0:00 0 S

1393

1372

Rule Mont 1946 1973 - Apr lastSun 2:00 1:00 D

1394

1373

Rule Mont 1945 1948 - Sep lastSun 2:00 0 S

1395

1374

Rule Mont 1949 1950 - Oct lastSun 2:00 0 S

1403

1382

Zone America/Montreal -4:54:16 - LMT 1884

1404

1383

-5:00 Mont E%sT 1918

1405

1384

-5:00 Canada E%sT 1919

1406

-5:00 Mont E%sT 1942 Feb 9 2:00s

1385

-5:00 Mont E%sT 1942 Feb 9 2:00s

1407

1386

-5:00 Canada E%sT 1946

1408

1387

-5:00 Mont E%sT 1974

1409

1388

-5:00 Canada E%sT

1425

1404

# have already done so. In Orillia DST was to run until Saturday,

1426

1405

# 1912-08-31 (no time mentioned), but it was met with considerable

1427

1406

# hostility from certain segments of the public, and was revoked after

1428

# only two weeks -- I copied it as Saturday, 1912-07-07, 22:00, but

1407

# only two weeks - I copied it as Saturday, 1912-07-07, 22:00, but

1429

1408

# presumably that should be -07-06. (1912-06-19, -07-12; also letters

1430

1409

# earlier in June).

1431

1410

#

1435

1414

# Mark Brader writes that an article in the 1997-10-14 Toronto Star

1436

1415

# says that Atikokan, Ontario currently does not observe DST,

1437

1416

# but will vote on 11-10 whether to use EST/EDT.

1438

# He also writes that the

1439

# <a href="http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html">

1440

# Ontario Time Act (1990, Chapter T.9)

1441

# </a>

1417

# He also writes that the Ontario Time Act (1990, Chapter T.9)

1418

# http://www.gov.on.ca/MBS/english/publications/statregs/conttext.html

1442

1419

# says that Ontario east of 90W uses EST/EDT, and west of 90W uses CST/CDT.

1443

1420

# Officially Atikokan is therefore on CST/CDT, and most likely this report

1444

1421

# concerns a non-official time observed as a matter of local practice.

1517

1494

# The Journal of The Royal Astronomical Society of Canada,

1518

1495

# volume 26, number 2 (February 1932) and, as of 2010-07-17,

1519

1496

# was available at

1520

# <a href="http://adsabs.harvard.edu/full/1932JRASC..26...49S">

1521

1497

# http://adsabs.harvard.edu/full/1932JRASC..26...49S

1522

# </a>

1523

1498

#

1524

1499

# It includes the text below (starting on page 57):

1525

1500

#

1530

1505

# ing in 1930. The information for the province of Quebec is definite,

1531

1506

# for the other provinces only approximate:

1532

1507

#

1533

# Province Daylight saving time used

1508

# Province Daylight saving time used

1534

1509

# Prince Edward Island Not used.

1535

1510

# Nova Scotia In Halifax only.

1536

1511

# New Brunswick In St. John only.

1537

1512

# Quebec In the following places:

1538

# Montreal Lachine

1539

# Quebec Mont-Royal

1540

# Levis Iberville

1541

# St. Lambert Cap de la Madeleine

1542

# Verdun Loretteville

1543

# Westmount Richmond

1544

# Outremont St. Jerome

1545

# Longueuil Greenfield Park

1546

# Arvida Waterloo

1547

# Chambly-Canton Beaulieu

1548

# Melbourne La Tuque

1549

# St. Theophile Buckingham

1513

# Montreal Lachine

1514

# Quebec Mont-Royal

1515

# Lévis Iberville

1516

# St. Lambert Cap de la Madelèine

1517

# Verdun Loretteville

1518

# Westmount Richmond

1519

# Outremont St. Jérôme

1520

# Longueuil Greenfield Park

1521

# Arvida Waterloo

1522

# Chambly-Canton Beaulieu

1523

# Melbourne La Tuque

1524

# St. Théophile Buckingham

1550

1525

# Ontario Used generally in the cities and towns along

1551

# the southerly part of the province. Not

1552

# used in the northwesterlhy part.

1526

# the southerly part of the province. Not

1527

# used in the northwesterly part.

1553

1528

# Manitoba Not used.

1554

1529

# Saskatchewan In Regina only.

1555

1530

# Alberta Not used.

1618

1593

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

1619

1594

Zone America/Toronto -5:17:32 - LMT 1895

1620

1595

-5:00 Canada E%sT 1919

1621

-5:00 Toronto E%sT 1942 Feb 9 2:00s

1596

-5:00 Toronto E%sT 1942 Feb 9 2:00s

1622

1597

-5:00 Canada E%sT 1946

1623

1598

-5:00 Toronto E%sT 1974

1624

1599

-5:00 Canada E%sT

1631

1606

-5:00 Canada E%sT

1632

1607

Zone America/Nipigon -5:53:04 - LMT 1895

1633

1608

-5:00 Canada E%sT 1940 Sep 29

1634

-5:00 1:00 EDT 1942 Feb 9 2:00s

1609

-5:00 1:00 EDT 1942 Feb 9 2:00s

1635

1610

-5:00 Canada E%sT

1636

1611

Zone America/Rainy_River -6:18:16 - LMT 1895

1637

1612

-6:00 Canada C%sT 1940 Sep 29

1638

-6:00 1:00 CDT 1942 Feb 9 2:00s

1613

-6:00 1:00 CDT 1942 Feb 9 2:00s

1639

1614

-6:00 Canada C%sT

1640

1615

Zone America/Atikokan -6:06:28 - LMT 1895

1641

1616

-6:00 Canada C%sT 1940 Sep 29

1642

-6:00 1:00 CDT 1942 Feb 9 2:00s

1643

-6:00 Canada C%sT 1945 Sep 30 2:00

1617

-6:00 1:00 CDT 1942 Feb 9 2:00s

1618

-6:00 Canada C%sT 1945 Sep 30 2:00

1644

1619

-5:00 - EST

1645

1620

1646

1621

1653

1628

# the first Sunday of April of each year and two o'clock Central

1654

1629

# Standard Time in the morning of the last Sunday of October next

1655

1630

# following, one hour in advance of Central Standard Time."...

1656

# I believe that the English legislation [of the old time act] had =

1631

# I believe that the English legislation [of the old time act] had

1657

1632

# been assented to (March 22, 1967)....

1658

1633

# Also, as far as I can tell, there was no order-in-council varying

1659

1634

# the time of Daylight Saving Time for 2005 and so the provisions of

1776

1751

Rule Swift 1960 1961 - Sep lastSun 2:00 0 S

1777

1752

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

1778

1753

Zone America/Regina -6:58:36 - LMT 1905 Sep

1779

-7:00 Regina M%sT 1960 Apr lastSun 2:00

1754

-7:00 Regina M%sT 1960 Apr lastSun 2:00

1780

1755

-6:00 - CST

1781

1756

Zone America/Swift_Current -7:11:20 - LMT 1905 Sep

1782

-7:00 Canada M%sT 1946 Apr lastSun 2:00

1757

-7:00 Canada M%sT 1946 Apr lastSun 2:00

1783

1758

-7:00 Regina M%sT 1950

1784

-7:00 Swift M%sT 1972 Apr lastSun 2:00

1759

-7:00 Swift M%sT 1972 Apr lastSun 2:00

1785

1760

-6:00 - CST

1786

1761

1787

1762

1831

1806

# Earlier this year I stumbled across a detailed article about the time

1832

1807

# keeping history of Creston; it was written by Tammy Hardwick who is the

1833

1808

# manager of the Creston & District Museum. The article was written in May 2009.

1834

# <a href="http://www.ilovecreston.com/?p=articles&t=spec&ar=260">

1835

1809

# http://www.ilovecreston.com/?p=articles&t=spec&ar=260

1836

# </a>

1837

1810

# According to the article, Creston has not changed its clocks since June 1918.

1838

1811

# i.e. Creston has been stuck on UTC-7 for 93 years.

1839

1812

# Dawson Creek, on the other hand, changed its clocks as recently as April 1972.

1841

1814

# Unfortunately the exact date for the time change in June 1918 remains

1842

1815

# unknown and will be difficult to ascertain. I e-mailed Tammy a few months

1843

1816

# ago to ask if Sunday June 2 was a reasonable guess. She said it was just

1844

# as plausible as any other date (in June). She also said that after writing the

1845

# article she had discovered another time change in 1916; this is the subject

1846

# of another article which she wrote in October 2010.

1847

# <a href="http://www.creston.museum.bc.ca/index.php?module=comments&uop=view_comment&cm+id=56">

1817

# as plausible as any other date (in June). She also said that after writing

1818

# the article she had discovered another time change in 1916; this is the

1819

# subject of another article which she wrote in October 2010.

1848

1820

# http://www.creston.museum.bc.ca/index.php?module=comments&uop=view_comment&cm+id=56

1849

# </a>

1850

1821

1851

1822

# Here is a summary of the three clock change events in Creston's history:

1852

1823

# 1. 1884 or 1885: adoption of Mountain Standard Time (GMT-7)

1853

1824

# Exact date unknown

1854

1825

# 2. Oct 1916: switch to Pacific Standard Time (GMT-8)

1855

# Exact date in October unknown; Sunday October 1 is a reasonable guess.

1826

# Exact date in October unknown; Sunday October 1 is a reasonable guess.

1856

1827

# 3. June 1918: switch to Pacific Daylight Time (GMT-7)

1857

1828

# Exact date in June unknown; Sunday June 2 is a reasonable guess.

1858

1829

# note#1:

1865

1836

# There is no guarantee that Creston will remain on Mountain Standard Time

1866

1837

# (UTC-7) forever.

1867

1838

# The subject was debated at least once this year by the town Council.

1868

# <a href="http://www.bclocalnews.com/kootenay_rockies/crestonvalleyadvance/news/116760809.html">

1869

1839

# http://www.bclocalnews.com/kootenay_rockies/crestonvalleyadvance/news/116760809.html

1870

# </a>

1871

1840

1872

1841

# During a period WWII, summer time (Daylight saying) was mandatory in Canada.

1873

1842

# In Creston, that was handled by shifting the area to PST (-8:00) then applying

1894

1863

-8:00 Canada P%sT

1895

1864

Zone America/Dawson_Creek -8:00:56 - LMT 1884

1896

1865

-8:00 Canada P%sT 1947

1897

-8:00 Vanc P%sT 1972 Aug 30 2:00

1866

-8:00 Vanc P%sT 1972 Aug 30 2:00

1898

1867

-7:00 - MST

1899

1868

Zone America/Creston -7:46:04 - LMT 1884

1900

1869

-7:00 - MST 1916 Oct 1

1921

1890

1922

1891

# From Rives McDow (1999-09-04):

1923

1892

# Nunavut ... moved ... to incorporate the whole territory into one time zone.

1924

# <a href="http://www.nunatsiaq.com/nunavut/nvt90903_13.html">

1925

1893

# Nunavut moves to single time zone Oct. 31

1926

# </a>

1894

# http://www.nunatsiaq.com/nunavut/nvt90903_13.html

1927

1895

#

1928

1896

# From Antoine Leca (1999-09-06):

1929

1897

# We then need to create a new timezone for the Kitikmeot region of Nunavut

1930

1898

# to differentiate it from the Yellowknife region.

1931

1899

1932

1900

# From Paul Eggert (1999-09-20):

1933

# <a href="http://www.nunavut.com/basicfacts/english/basicfacts_1territory.html">

1934

1901

# Basic Facts: The New Territory

1935

# </a> (1999) reports that Pangnirtung operates on eastern time,

1902

# http://www.nunavut.com/basicfacts/english/basicfacts_1territory.html

1903

# (1999) reports that Pangnirtung operates on eastern time,

1936

1904

# and that Coral Harbour does not observe DST. We don't know when

1937

1905

# Pangnirtung switched to eastern time; we'll guess 1995.

1938

1906

1960

1928

# the current state of affairs.

1961

1929

1962

1930

# From Michaela Rodrigue, writing in the

1963

# <a href="http://www.nunatsiaq.com/archives/nunavut991130/nvt91119_17.html">

1964

# Nunatsiaq News (1999-11-19)</a>:

1931

# Nunatsiaq News (1999-11-19):

1932

# http://www.nunatsiaq.com/archives/nunavut991130/nvt91119_17.html

1965

1933

# Clyde River, Pangnirtung and Sanikiluaq now operate with two time zones,

1966

1934

# central - or Nunavut time - for government offices, and eastern time

1967

1935

# for municipal offices and schools.... Igloolik [was similar but then]

1979

1947

# Central Time and Southampton Island [in the Central zone] is not

1980

1948

# required to use daylight savings.

1981

1949

1982

# From

1983

# <a href="http://www.nunatsiaq.com/archives/nunavut001130/nvt21110_02.html">

1984

# Nunavut now has two time zones

1985

# </a> (2000-11-10):

1950

# From <http://www.nunatsiaq.com/archives/nunavut001130/nvt21110_02.html>

1951

# Nunavut now has two time zones (2000-11-10):

1986

1952

# The Nunavut government would allow its employees in Kugluktuk and

1987

1953

# Cambridge Bay to operate on central time year-round, putting them

1988

1954

# one hour behind the rest of Nunavut for six months during the winter.

2073

2039

# used to be the mayor of Resolute Bay and he apparently owns half the

2074

2040

# businesses including "South Camp Inn." This website has some info on

2075

2041

# Aziz:

2076

# <a href="http://www.uphere.ca/node/493">

2077

2042

# http://www.uphere.ca/node/493

2078

# </a>

2079

2043

#

2080

2044

# I sent Aziz an e-mail asking when Resolute Bay had stopped using

2081

2045

# Eastern Standard Time.

2113

2077

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2114

2078

# aka Panniqtuuq

2115

2079

Zone America/Pangnirtung 0 - zzz 1921 # trading post est.

2116

-4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00

2117

-5:00 Canada E%sT 1999 Oct 31 2:00

2118

-6:00 Canada C%sT 2000 Oct 29 2:00

2080

-4:00 NT_YK A%sT 1995 Apr Sun>=1 2:00

2081

-5:00 Canada E%sT 1999 Oct 31 2:00

2082

-6:00 Canada C%sT 2000 Oct 29 2:00

2119

2083

-5:00 Canada E%sT

2120

2084

# formerly Frobisher Bay

2121

2085

Zone America/Iqaluit 0 - zzz 1942 Aug # Frobisher Bay est.

2122

-5:00 NT_YK E%sT 1999 Oct 31 2:00

2123

-6:00 Canada C%sT 2000 Oct 29 2:00

2086

-5:00 NT_YK E%sT 1999 Oct 31 2:00

2087

-6:00 Canada C%sT 2000 Oct 29 2:00

2124

2088

-5:00 Canada E%sT

2125

2089

# aka Qausuittuq

2126

2090

Zone America/Resolute 0 - zzz 1947 Aug 31 # Resolute founded

2127

-6:00 NT_YK C%sT 2000 Oct 29 2:00

2128

-5:00 - EST 2001 Apr 1 3:00

2129

-6:00 Canada C%sT 2006 Oct 29 2:00

2130

-5:00 - EST 2007 Mar 11 3:00

2091

-6:00 NT_YK C%sT 2000 Oct 29 2:00

2092

-5:00 - EST 2001 Apr 1 3:00

2093

-6:00 Canada C%sT 2006 Oct 29 2:00

2094

-5:00 - EST 2007 Mar 11 3:00

2131

2095

-6:00 Canada C%sT

2132

2096

# aka Kangiqiniq

2133

2097

Zone America/Rankin_Inlet 0 - zzz 1957 # Rankin Inlet founded

2134

-6:00 NT_YK C%sT 2000 Oct 29 2:00

2135

-5:00 - EST 2001 Apr 1 3:00

2098

-6:00 NT_YK C%sT 2000 Oct 29 2:00

2099

-5:00 - EST 2001 Apr 1 3:00

2136

2100

-6:00 Canada C%sT

2137

2101

# aka Iqaluktuuttiaq

2138

2102

Zone America/Cambridge_Bay 0 - zzz 1920 # trading post est.?

2139

-7:00 NT_YK M%sT 1999 Oct 31 2:00

2140

-6:00 Canada C%sT 2000 Oct 29 2:00

2141

-5:00 - EST 2000 Nov 5 0:00

2142

-6:00 - CST 2001 Apr 1 3:00

2103

-7:00 NT_YK M%sT 1999 Oct 31 2:00

2104

-6:00 Canada C%sT 2000 Oct 29 2:00

2105

-5:00 - EST 2000 Nov 5 0:00

2106

-6:00 - CST 2001 Apr 1 3:00

2143

2107

-7:00 Canada M%sT

2144

2108

Zone America/Yellowknife 0 - zzz 1935 # Yellowknife founded?

2145

2109

-7:00 NT_YK M%sT 1980

2146

2110

-7:00 Canada M%sT

2147

2111

Zone America/Inuvik 0 - zzz 1953 # Inuvik founded

2148

-8:00 NT_YK P%sT 1979 Apr lastSun 2:00

2112

-8:00 NT_YK P%sT 1979 Apr lastSun 2:00

2149

2113

-7:00 NT_YK M%sT 1980

2150

2114

-7:00 Canada M%sT

2151

2115

Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20

2152

-9:00 NT_YK Y%sT 1966 Jul 1 2:00

2116

-9:00 NT_YK Y%sT 1966 Jul 1 2:00

2153

2117

-8:00 NT_YK P%sT 1980

2154

2118

-8:00 Canada P%sT

2155

2119

Zone America/Dawson -9:17:40 - LMT 1900 Aug 20

2156

-9:00 NT_YK Y%sT 1973 Oct 28 0:00

2120

-9:00 NT_YK Y%sT 1973 Oct 28 0:00

2157

2121

-8:00 NT_YK P%sT 1980

2158

2122

-8:00 Canada P%sT

2159

2123

2165

2129

# From Paul Eggert (2001-03-05):

2166

2130

# The Investigation and Analysis Service of the

2167

2131

# Mexican Library of Congress (MLoC) has published a

2168

# <a href="http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/">

2169

2132

# history of Mexican local time (in Spanish)

2170

# </a>.

2133

# http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/

2171

2134

#

2172

2135

# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC.

2173

2136

# (In all cases we go with the MLoC.)

2212

2175

# -------------- End Forwarded Message --------------

2213

2176

# From Paul Eggert (1996-06-12):

2214

2177

# For an English translation of the decree, see

2215

# <a href="http://mexico-travel.com/extra/timezone_eng.html">

2216

2178

# "Diario Oficial: Time Zone Changeover" (1996-01-04).

2217

# </a>

2179

# http://mexico-travel.com/extra/timezone_eng.html

2218

2180

2219

2181

# From Rives McDow (1998-10-08):

2220

2182

# The State of Quintana Roo has reverted back to central STD and DST times

2226

2188

# savings time so as to stay on the same time zone as the southern part of

2227

2189

# Arizona year round.

2228

2190

2229

# From Jesper Norgaard, translating

2191

# From Jesper Nørgaard, translating

2230

2192

# <http://www.reforma.com/nacional/articulo/064327/> (2001-01-17):

2231

2193

# In Oaxaca, the 55.000 teachers from the Section 22 of the National

2232

2194

# Syndicate of Education Workers, refuse to apply daylight saving each

2239

2201

# January 17, 2000 - The Energy Secretary, Ernesto Martens, announced

2240

2202

# that Summer Time will be reduced from seven to five months, starting

2241

2203

# this year....

2242

# <http://www.publico.com.mx/scripts/texto3.asp?action=pagina&pag=21&pos=p&secc=naci&date=01/17/2001>

2204

# http://www.publico.com.mx/scripts/texto3.asp?action=pagina&pag=21&pos=p&secc=naci&date=01/17/2001

2243

2205

# [translated], says "summer time will ... take effect on the first Sunday

2244

2206

# in May, and end on the last Sunday of September.

2245

2207

2247

2209

# The 2001-01-24 traditional Washington Post contained the page one

2248

2210

# story "Timely Issue Divides Mexicans."...

2249

2211

# http://www.washingtonpost.com/wp-dyn/articles/A37383-2001Jan23.html

2250

# ... Mexico City Mayor Lopez Obrador "...is threatening to keep

2212

# ... Mexico City Mayor López Obrador "...is threatening to keep

2251

2213

# Mexico City and its 20 million residents on a different time than

2252

# the rest of the country..." In particular, Lopez Obrador would abolish

2214

# the rest of the country..." In particular, López Obrador would abolish

2253

2215

# observation of Daylight Saving Time.

2254

2216

2255

# <a href="http://www.conae.gob.mx/ahorro/decretohorver2001.html#decre">

2256

2217

# Official statute published by the Energy Department

2257

# </a> (2001-02-01) shows Baja and Chihauhua as still using US DST rules,

2258

# and Sonora with no DST. This was reported by Jesper Norgaard (2001-02-03).

2218

# http://www.conae.gob.mx/ahorro/decretohorver2001.html#decre

2219

# (2001-02-01) shows Baja and Chihauhua as still using US DST rules,

2220

# and Sonora with no DST. This was reported by Jesper Nørgaard (2001-02-03).

2259

2221

2260

2222

# From Paul Eggert (2001-03-03):

2261

2223

#

2262

# <a href="http://www.latimes.com/news/nation/20010303/t000018766.html">

2224

# http://www.latimes.com/news/nation/20010303/t000018766.html

2263

2225

# James F. Smith writes in today's LA Times

2264

# </a>

2265

2226

# * Sonora will continue to observe standard time.

2266

# * Last week Mexico City's mayor Andres Manuel Lopez Obrador decreed that

2227

# * Last week Mexico City's mayor Andrés Manuel López Obrador decreed that

2267

2228

# the Federal District will not adopt DST.

2268

2229

# * 4 of 16 district leaders announced they'll ignore the decree.

2269

2230

# * The decree does not affect federal-controlled facilities including

2271

2232

#

2272

2233

# For now we'll assume that the Federal District will bow to federal rules.

2273

2234

2274

# From Jesper Norgaard (2001-04-01):

2235

# From Jesper Nørgaard (2001-04-01):

2275

2236

# I found some references to the Mexican application of daylight

2276

2237

# saving, which modifies what I had already sent you, stating earlier

2277

2238

# that a number of northern Mexican states would go on daylight

2280

2241

# saving all year) will follow the original decree of president

2281

2242

# Vicente Fox, starting daylight saving May 6, 2001 and ending

2282

2243

# September 30, 2001.

2283

# References: "Diario de Monterrey" <www.diariodemonterrey.com/index.asp>

2244

# References: "Diario de Monterrey" <http://www.diariodemonterrey.com/index.asp>

2284

2245

# Palabra <http://palabra.infosel.com/010331/primera/ppri3101.pdf> (2001-03-31)

2285

2246

2286

2247

# From Reuters (2001-09-04):

2292

2253

# standard time. "This is so residents of the Federal District are not

2293

2254

# subject to unexpected time changes," a statement from the court said.

2294

2255

2295

# From Jesper Norgaard Welen (2002-03-12):

2256

# From Jesper Nørgaard Welen (2002-03-12):

2296

2257

# ... consulting my local grocery store(!) and my coworkers, they all insisted

2297

2258

# that a new decision had been made to reinstate US style DST in Mexico....

2298

2259

# http://www.conae.gob.mx/ahorro/horaver2001_m1_2002.html (2002-02-20)

2306

2267

# > the United States.

2307

2268

# Now this has passed both the Congress and the Senate, so starting from

2308

2269

# 2010, some border regions will be the same:

2309

# <a href="http://www.signonsandiego.com/news/2009/dec/28/clocks-will-match-both-sides-border/">

2310

2270

# http://www.signonsandiego.com/news/2009/dec/28/clocks-will-match-both-sides-border/

2311

# </a>

2312

# <a href="http://www.elmananarey.com/diario/noticia/nacional/noticias/empatan_horario_de_frontera_con_eu/621939">

2313

2271

# http://www.elmananarey.com/diario/noticia/nacional/noticias/empatan_horario_de_frontera_con_eu/621939

2314

# </a>

2315

2272

# (Spanish)

2316

2273

#

2317

2274

# Could not find the new law text, but the proposed law text changes are here:

2318

# <a href="http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/20091210-V.pdf">

2319

2275

# http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/20091210-V.pdf

2320

# </a>

2321

2276

# (Gaceta Parlamentaria)

2322

2277

#

2323

2278

# There is also a list of the votes here:

2324

# <a href="http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/V2-101209.html">

2325

2279

# http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/V2-101209.html

2326

# </a>

2327

2280

#

2328

2281

# Our page:

2329

# <a href="http://www.timeanddate.com/news/time/north-mexico-dst-change.html">

2330

2282

# http://www.timeanddate.com/news/time/north-mexico-dst-change.html

2331

# </a>

2332

2283

2333

2284

# From Arthur David Olson (2010-01-20):

2334

2285

# The page

2335

# <a href="http://dof.gob.mx/nota_detalle.php?codigo=5127480&fecha=06/01/2010">

2336

2286

# http://dof.gob.mx/nota_detalle.php?codigo=5127480&fecha=06/01/2010

2337

# </a>

2338

2287

# includes this text:

2339

2288

# En los municipios fronterizos de Tijuana y Mexicali en Baja California;

2340

# Juárez y Ojinaga en Chihuahua; Acuña y Piedras Negras en Coahuila;

2341

# Anáhuac en Nuevo León; y Nuevo Laredo, Reynosa y Matamoros en

2342

# Tamaulipas, la aplicación de este horario estacional surtirá efecto

2343

# desde las dos horas del segundo domingo de marzo y concluirá a las dos

2289

# Juárez y Ojinaga en Chihuahua; Acuña y Piedras Negras en Coahuila;

2290

# Anáhuac en Nuevo León; y Nuevo Laredo, Reynosa y Matamoros en

2291

# Tamaulipas, la aplicación de este horario estacional surtirá efecto

2292

# desde las dos horas del segundo domingo de marzo y concluirá a las dos

2344

2293

# horas del primer domingo de noviembre.

2345

2294

# En los municipios fronterizos que se encuentren ubicados en la franja

2346

# fronteriza norte en el territorio comprendido entre la línea

2347

# internacional y la línea paralela ubicada a una distancia de veinte

2348

# kilómetros, así como la Ciudad de Ensenada, Baja California, hacia el

2349

# interior del país, la aplicación de este horario estacional surtirá

2350

# efecto desde las dos horas del segundo domingo de marzo y concluirá a

2295

# fronteriza norte en el territorio comprendido entre la línea

2296

# internacional y la línea paralela ubicada a una distancia de veinte

2297

# kilómetros, así como la Ciudad de Ensenada, Baja California, hacia el

2298

# interior del país, la aplicación de este horario estacional surtirá

2299

# efecto desde las dos horas del segundo domingo de marzo y concluirá a

2351

2300

# las dos horas del primer domingo de noviembre.

2352

2301

2353

2302

# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S

2366

2315

Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D

2367

2316

Rule Mexico 2002 max - Oct lastSun 2:00 0 S

2368

2317

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2369

# Quintana Roo

2318

# Quintana Roo; represented by Cancún

2370

2319

Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56

2371

2320

-6:00 - CST 1981 Dec 23

2372

2321

-5:00 Mexico E%sT 1998 Aug 2 2:00

2373

2322

-6:00 Mexico C%sT

2374

# Campeche, Yucatan

2323

# Campeche, Yucatán; represented by Mérida

2375

2324

Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32

2376

2325

-6:00 - CST 1981 Dec 23

2377

2326

-5:00 - EST 1982 Dec 2

2378

2327

-6:00 Mexico C%sT

2379

# Coahuila, Durango, Nuevo Leon, Tamaulipas (near US border)

2328

# Coahuila, Durango, Nuevo León, Tamaulipas (near US border)

2380

2329

Zone America/Matamoros -6:40:00 - LMT 1921 Dec 31 23:20:00

2381

2330

-6:00 - CST 1988

2382

2331

-6:00 US C%sT 1989

2383

2332

-6:00 Mexico C%sT 2010

2384

2333

-6:00 US C%sT

2385

# Coahuila, Durango, Nuevo Leon, Tamaulipas (away from US border)

2334

# Coahuila, Durango, Nuevo León, Tamaulipas (away from US border)

2386

2335

Zone America/Monterrey -6:41:16 - LMT 1921 Dec 31 23:18:44

2387

2336

-6:00 - CST 1988

2388

2337

-6:00 US C%sT 1989

2389

2338

-6:00 Mexico C%sT

2390

2339

# Central Mexico

2391

Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24

2340

Zone America/Mexico_City -6:36:36 - LMT 1922 Jan 1 0:23:24

2392

2341

-7:00 - MST 1927 Jun 10 23:00

2393

2342

-6:00 - CST 1930 Nov 15

2394

2343

-7:00 - MST 1931 May 1 23:00

2395

2344

-6:00 - CST 1931 Oct

2396

2345

-7:00 - MST 1932 Apr 1

2397

-6:00 Mexico C%sT 2001 Sep 30 02:00

2346

-6:00 Mexico C%sT 2001 Sep 30 2:00

2398

2347

-6:00 - CST 2002 Feb 20

2399

2348

-6:00 Mexico C%sT

2400

2349

# Chihuahua (near US border)

2401

Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 0:02:20

2350

Zone America/Ojinaga -6:57:40 - LMT 1922 Jan 1 0:02:20

2402

2351

-7:00 - MST 1927 Jun 10 23:00

2403

2352

-6:00 - CST 1930 Nov 15

2404

2353

-7:00 - MST 1931 May 1 23:00

2406

2355

-7:00 - MST 1932 Apr 1

2407

2356

-6:00 - CST 1996

2408

2357

-6:00 Mexico C%sT 1998

2409

-6:00 - CST 1998 Apr Sun>=1 3:00

2358

-6:00 - CST 1998 Apr Sun>=1 3:00

2410

2359

-7:00 Mexico M%sT 2010

2411

2360

-7:00 US M%sT

2412

2361

# Chihuahua (away from US border)

2418

2367

-7:00 - MST 1932 Apr 1

2419

2368

-6:00 - CST 1996

2420

2369

-6:00 Mexico C%sT 1998

2421

-6:00 - CST 1998 Apr Sun>=1 3:00

2370

-6:00 - CST 1998 Apr Sun>=1 3:00

2422

2371

-7:00 Mexico M%sT

2423

2372

# Sonora

2424

2373

Zone America/Hermosillo -7:23:52 - LMT 1921 Dec 31 23:36:08

2434

2383

-7:00 - MST

2435

2384

2436

2385

# From Alexander Krivenyshev (2010-04-21):

2437

# According to news, Bahía de Banderas (Mexican state of Nayarit)

2386

# According to news, Bahía de Banderas (Mexican state of Nayarit)

2438

2387

# changed time zone UTC-7 to new time zone UTC-6 on April 4, 2010 (to

2439

2388

# share the same time zone as nearby city Puerto Vallarta, Jalisco).

2440

2389

#

2441

2390

# (Spanish)

2442

# Bahía de Banderas homologa su horario al del centro del

2443

# país, a partir de este domingo

2444

# <a href="http://www.nayarit.gob.mx/notes.asp?id=20748">

2391

# Bahía de Banderas homologa su horario al del centro del

2392

# país, a partir de este domingo

2445

2393

# http://www.nayarit.gob.mx/notes.asp?id=20748

2446

# </a>

2447

2394

#

2448

# Bahía de Banderas homologa su horario con el del Centro del

2449

# País

2450

# <a href="http://www.bahiadebanderas.gob.mx/principal/index.php?option=com_content&view=article&id=261:bahia-de-banderas-homologa-su-horario-con-el-del-centro-del-pais&catid=42:comunicacion-social&Itemid=50">

2451

# http://www.bahiadebanderas.gob.mx/principal/index.php?option=com_content&view=article&id=261:bahia-de-banderas-homologa-su-horario-con-el-del-centro-del-pais&catid=42:comunicacion-social&Itemid=50"

2452

# </a>

2395

# Bahía de Banderas homologa su horario con el del Centro del

2396

# País

2397

# http://www.bahiadebanderas.gob.mx/principal/index.php?option=com_content&view=article&id=261:bahia-de-banderas-homologa-su-horario-con-el-del-centro-del-pais&catid=42:comunicacion-social&Itemid=50

2453

2398

#

2454

2399

# (English)

2455

# Puerto Vallarta and Bahía de Banderas: One Time Zone

2456

# <a href="http://virtualvallarta.com/puertovallarta/puertovallarta/localnews/2009-12-03-Puerto-Vallarta-and-Bahia-de-Banderas-One-Time-Zone.shtml">

2400

# Puerto Vallarta and Bahía de Banderas: One Time Zone

2457

2401

# http://virtualvallarta.com/puertovallarta/puertovallarta/localnews/2009-12-03-Puerto-Vallarta-and-Bahia-de-Banderas-One-Time-Zone.shtml

2458

# </a>

2459

#

2460

# or

2461

# <a href="http://www.worldtimezone.com/dst_news/dst_news_mexico08.html">

2462

2402

# http://www.worldtimezone.com/dst_news/dst_news_mexico08.html

2463

# </a>

2464

2403

#

2465

2404

# "Mexico's Senate approved the amendments to the Mexican Schedule System that

2466

# will allow Bahía de Banderas and Puerto Vallarta to share the same time

2405

# will allow Bahía de Banderas and Puerto Vallarta to share the same time

2467

2406

# zone ..."

2468

2407

# Baja California Sur, Nayarit, Sinaloa

2469

2408

2470

2409

# From Arthur David Olson (2010-05-01):

2471

2410

# Use "Bahia_Banderas" to keep the name to fourteen characters.

2472

2411

2412

# Mazatlán

2473

2413

Zone America/Mazatlan -7:05:40 - LMT 1921 Dec 31 23:54:20

2474

2414

-7:00 - MST 1927 Jun 10 23:00

2475

2415

-6:00 - CST 1930 Nov 15

2481

2421

-8:00 - PST 1970

2482

2422

-7:00 Mexico M%sT

2483

2423

2424

# Bahía de Banderas

2484

2425

Zone America/Bahia_Banderas -7:01:00 - LMT 1921 Dec 31 23:59:00

2485

2426

-7:00 - MST 1927 Jun 10 23:00

2486

2427

-6:00 - CST 1930 Nov 15

2490

2431

-6:00 - CST 1942 Apr 24

2491

2432

-7:00 - MST 1949 Jan 14

2492

2433

-8:00 - PST 1970

2493

-7:00 Mexico M%sT 2010 Apr 4 2:00

2434

-7:00 Mexico M%sT 2010 Apr 4 2:00

2494

2435

-6:00 Mexico C%sT

2495

2436

2496

2437

# Baja California (near US border)

2537

2478

# America/Tijuana only in that it did not observe DST from 1976

2538

2479

# through 1995. This was as per Shanks (1999). But Shanks & Pottenger say

2539

2480

# Ensenada did not observe DST from 1948 through 1975. Guy Harris reports

2540

# that the 1987 OAG says "Only Ensenada, Mexicale, San Felipe and

2481

# that the 1987 OAG says "Only Ensenada, Mexicali, San Felipe and

2541

2482

# Tijuana observe DST," which agrees with Shanks & Pottenger but implies that

2542

2483

# DST-observance was a town-by-town matter back then. This concerns

2543

2484

# data after 1970 so most likely there should be at least one Zone

2550

2491

###############################################################################

2551

2492

2552

2493

# Anguilla

2553

# See 'southamerica'.

2494

# See America/Port_of_Spain.

2554

2495

2555

2496

# Antigua and Barbuda

2556

2497

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2586

2527

Rule Barb 1979 only - Sep 30 2:00 0 S

2587

2528

Rule Barb 1980 only - Sep 25 2:00 0 S

2588

2529

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2589

Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown

2590

-3:58:29 - BMT 1932 # Bridgetown Mean Time

2530

Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown

2531

-3:58:29 - BMT 1932 # Bridgetown Mean Time

2591

2532

-4:00 Barb A%sT

2592

2533

2593

2534

# Belize

2617

2558

# http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135

2618

2559

2619

2560

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2620

Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton

2621

-4:00 - AST 1974 Apr 28 2:00

2561

Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton

2562

-4:00 - AST 1974 Apr 28 2:00

2622

2563

-4:00 Canada A%sT 1976

2623

2564

-4:00 US A%sT

2624

2565

2625

2566

# Cayman Is

2626

2567

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2627

Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown

2628

-5:07:11 - KMT 1912 Feb # Kingston Mean Time

2568

Zone America/Cayman -5:25:32 - LMT 1890 # Georgetown

2569

-5:07:11 - KMT 1912 Feb # Kingston Mean Time

2629

2570

-5:00 - EST

2630

2571

2631

2572

# Costa Rica

2632

2573

2633

# Milne gives -5:36:13.3 as San Jose mean time; round to nearest.

2574

# Milne gives -5:36:13.3 as San José mean time; round to nearest.

2634

2575

2635

2576

# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S

2636

2577

Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D

2640

2581

# go with Shanks & Pottenger.

2641

2582

Rule CR 1991 only - Jul 1 0:00 0 S

2642

2583

Rule CR 1992 only - Mar 15 0:00 0 S

2643

# There are too many San Joses elsewhere, so we'll use 'Costa Rica'.

2584

# There are too many San Josés elsewhere, so we'll use 'Costa Rica'.

2644

2585

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2645

Zone America/Costa_Rica -5:36:13 - LMT 1890 # San Jose

2646

-5:36:13 - SJMT 1921 Jan 15 # San Jose Mean Time

2586

Zone America/Costa_Rica -5:36:13 - LMT 1890 # San José

2587

-5:36:13 - SJMT 1921 Jan 15 # San José Mean Time

2647

2588

-6:00 CR C%sT

2648

2589

# Coco

2649

2590

# no information; probably like America/Costa_Rica

2662

2603

# During the game, play-by-play announcer Jim Hunter noted that

2663

2604

# "We'll be losing two hours of sleep...Cuba switched to Daylight Saving

2664

2605

# Time today." (The "two hour" remark referred to losing one hour of

2665

# sleep on 1999-03-28--when the announcers were in Cuba as it switched

2666

# to DST--and one more hour on 1999-04-04--when the announcers will have

2606

# sleep on 1999-03-28 - when the announcers were in Cuba as it switched

2607

# to DST - and one more hour on 1999-04-04 - when the announcers will have

2667

2608

# returned to Baltimore, which switches on that date.)

2668

2609

2669

2610

# From Steffen Thorsen (2013-11-11):

2685

2626

# adjustment in Cuba. We will stay in daylight saving time:

2686

2627

# http://www.granma.cu/espanol/2005/noviembre/mier9/horario.html

2687

2628

2688

# From Jesper Norgaard Welen (2006-10-21):

2629

# From Jesper Nørgaard Welen (2006-10-21):

2689

2630

# An article in GRANMA INTERNACIONAL claims that Cuba will end

2690

2631

# the 3 years of permanent DST next weekend, see

2691

2632

# http://www.granma.cu/ingles/2006/octubre/lun16/43horario.html

2692

2633

# "On Saturday night, October 28 going into Sunday, October 29, at 01:00,

2693

# watches should be set back one hour -- going back to 00:00 hours -- returning

2634

# watches should be set back one hour - going back to 00:00 hours - returning

2694

2635

# to the normal schedule....

2695

2636

2696

2637

# From Paul Eggert (2007-03-02):

2697

# http://www.granma.cubaweb.cu/english/news/art89.html, dated yesterday,

2638

# <http://www.granma.cubaweb.cu/english/news/art89.html>, dated yesterday,

2698

2639

# says Cuban clocks will advance at midnight on March 10.

2699

2640

# For lack of better information, assume Cuba will use US rules,

2700

2641

# except that it switches at midnight standard time as usual.

2708

2649

# http://www.prensalatina.com.mx/article.asp?ID=%7B4CC32C1B-A9F7-42FB-8A07-8631AFC923AF%7D&language=ES

2709

2650

# http://actualidad.terra.es/sociedad/articulo/cuba_llama_ahorrar_energia_cambio_1957044.htm

2710

2651

#

2711

# From Alex Kryvenishev (2007-10-25):

2652

# From Alex Krivenyshev (2007-10-25):

2712

2653

# Here is also article from Granma (Cuba):

2713

2654

#

2714

# [Regira] el Horario Normal desde el [proximo] domingo 28 de octubre

2655

# Regirá el Horario Normal desde el próximo domingo 28 de octubre

2715

2656

# http://www.granma.cubaweb.cu/2007/10/24/nacional/artic07.html

2716

2657

#

2717

2658

# http://www.worldtimezone.com/dst_news/dst_news_cuba03.html

2719

2660

# From Arthur David Olson (2008-03-09):

2720

2661

# I'm in Maryland which is now observing United States Eastern Daylight

2721

2662

# Time. At 9:44 local time I used RealPlayer to listen to

2722

# <a href="http://media.enet.cu/radioreloj">

2723

2663

# http://media.enet.cu/radioreloj

2724

# </a>, a Cuban information station, and heard

2664

# a Cuban information station, and heard

2725

2665

# the time announced as "ocho cuarenta y cuatro" ("eight forty-four"),

2726

2666

# indicating that Cuba is still on standard time.

2727

2667

2728

2668

# From Steffen Thorsen (2008-03-12):

2729

2669

# It seems that Cuba will start DST on Sunday, 2007-03-16...

2730

2670

# It was announced yesterday, according to this source (in Spanish):

2731

# <a href="http://www.nnc.cubaweb.cu/marzo-2008/cien-1-11-3-08.htm">

2732

2671

# http://www.nnc.cubaweb.cu/marzo-2008/cien-1-11-3-08.htm

2733

# </a>

2734

2672

#

2735

2673

# Some more background information is posted here:

2736

# <a href="http://www.timeanddate.com/news/time/cuba-starts-dst-march-16.html">

2737

2674

# http://www.timeanddate.com/news/time/cuba-starts-dst-march-16.html

2738

# </a>

2739

2675

#

2740

2676

# The article also says that Cuba has been observing DST since 1963,

2741

2677

# while Shanks (and tzdata) has 1965 as the first date (except in the

2745

2681

# change some historic records as well.

2746

2682

#

2747

2683

# One example:

2748

# <a href="http://www.radiohc.cu/espanol/noticias/mar07/11mar/hor.htm">

2749

2684

# http://www.radiohc.cu/espanol/noticias/mar07/11mar/hor.htm

2750

# </a>

2751

2685

2752

# From Jesper Norgaard Welen (2008-03-13):

2686

# From Jesper Nørgaard Welen (2008-03-13):

2753

2687

# The Cuban time change has just been confirmed on the most authoritative

2754

2688

# web site, the Granma. Please check out

2755

# <a href="http://www.granma.cubaweb.cu/2008/03/13/nacional/artic10.html">

2756

2689

# http://www.granma.cubaweb.cu/2008/03/13/nacional/artic10.html

2757

# </a>

2758

2690

#

2759

# Basically as expected after Steffen Thorsens information, the change

2691

# Basically as expected after Steffen Thorsen's information, the change

2760

2692

# will take place midnight between Saturday and Sunday.

2761

2693

2762

2694

# From Arthur David Olson (2008-03-12):

2767

2699

# midnight between Saturday, March 07, 2009 and Sunday, March 08, 2009-

2768

2700

# not on midnight March 14 / March 15 as previously thought.

2769

2701

#

2770

# <a href="http://www.worldtimezone.com/dst_news/dst_news_cuba05.html">

2771

2702

# http://www.worldtimezone.com/dst_news/dst_news_cuba05.html

2772

2703

# (in Spanish)

2773

# </a>

2774

2704

2775

2705

# From Arthur David Olson (2009-03-09)

2776

2706

# I listened over the Internet to

2777

# <a href="http://media.enet.cu/readioreloj">

2778

2707

# http://media.enet.cu/readioreloj

2779

# </a>

2780

2708

# this morning; when it was 10:05 a. m. here in Bethesda, Maryland the

2781

# the time was announced as "diez cinco"--the same time as here, indicating

2709

# the time was announced as "diez cinco" - the same time as here, indicating

2782

2710

# that has indeed switched to DST. Assume second Sunday from 2009 forward.

2783

2711

2784

2712

# From Steffen Thorsen (2011-03-08):

2787

2715

# changed at all).

2788

2716

#

2789

2717

# Source:

2790

# <a href="http://granma.co.cu/2011/03/08/nacional/artic01.html">

2791

2718

# http://granma.co.cu/2011/03/08/nacional/artic01.html

2792

# </a>

2793

2719

#

2794

2720

# Our info:

2795

# <a href="http://www.timeanddate.com/news/time/cuba-starts-dst-2011.html">

2796

2721

# http://www.timeanddate.com/news/time/cuba-starts-dst-2011.html

2797

# </a>

2798

2722

#

2799

2723

# From Steffen Thorsen (2011-10-30)

2800

2724

# Cuba will end DST two weeks later this year. Instead of going back

2801

2725

# tonight, it has been delayed to 2011-11-13 at 01:00.

2802

2726

#

2803

2727

# One source (Spanish)

2804

# <a href="http://www.radioangulo.cu/noticias/cuba/17105-cuba-restablecera-el-horario-del-meridiano-de-greenwich.html">

2805

2728

# http://www.radioangulo.cu/noticias/cuba/17105-cuba-restablecera-el-horario-del-meridiano-de-greenwich.html

2806

# </a>

2807

2729

#

2808

2730

# Our page:

2809

# <a href="http://www.timeanddate.com/news/time/cuba-time-changes-2011.html">

2810

2731

# http://www.timeanddate.com/news/time/cuba-time-changes-2011.html

2811

# </a>

2812

2732

#

2813

2733

# From Steffen Thorsen (2012-03-01)

2814

2734

# According to Radio Reloj, Cuba will start DST on Midnight between March

2815

2735

# 31 and April 1.

2816

2736

#

2817

2737

# Radio Reloj has the following info (Spanish):

2818

# <a href="http://www.radioreloj.cu/index.php/noticias-radio-reloj/71-miscelaneas/7529-cuba-aplicara-el-horario-de-verano-desde-el-1-de-abril">

2819

2738

# http://www.radioreloj.cu/index.php/noticias-radio-reloj/71-miscelaneas/7529-cuba-aplicara-el-horario-de-verano-desde-el-1-de-abril

2820

# </a>

2821

2739

#

2822

2740

# Our info on it:

2823

# <a href="http://www.timeanddate.com/news/time/cuba-starts-dst-2012.html">

2824

2741

# http://www.timeanddate.com/news/time/cuba-starts-dst-2012.html

2825

# </a>

2826

2742

2827

2743

# From Steffen Thorsen (2012-11-03):

2828

2744

# Radio Reloj and many other sources report that Cuba is changing back

2878

2794

-5:00 Cuba C%sT

2879

2795

2880

2796

# Dominica

2881

# See 'southamerica'.

2797

# See America/Port_of_Spain.

2882

2798

2883

2799

# Dominican Republic

2884

2800

2911

2827

Zone America/Santo_Domingo -4:39:36 - LMT 1890

2912

2828

-4:40 - SDMT 1933 Apr 1 12:00 # S. Dom. MT

2913

2829

-5:00 DR E%sT 1974 Oct 27

2914

-4:00 - AST 2000 Oct 29 02:00

2915

-5:00 US E%sT 2000 Dec 3 01:00

2830

-4:00 - AST 2000 Oct 29 2:00

2831

-5:00 US E%sT 2000 Dec 3 1:00

2916

2832

-4:00 - AST

2917

2833

2918

2834

# El Salvador

2923

2839

# There are too many San Salvadors elsewhere, so use America/El_Salvador

2924

2840

# instead of America/San_Salvador.

2925

2841

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

2926

Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador

2842

Zone America/El_Salvador -5:56:48 - LMT 1921 # San Salvador

2927

2843

-6:00 Salv C%sT

2928

2844

2929

2845

# Grenada

2930

2846

# Guadeloupe

2931

# St Barthelemy

2847

# St Barthélemy

2932

2848

# St Martin (French part)

2933

# See 'southamerica'.

2849

# See America/Port_of_Spain.

2934

2850

2935

2851

# Guatemala

2936

2852

#

2937

2853

# From Gwillim Law (2006-04-22), after a heads-up from Oscar van Vlijmen:

2938

2854

# Diario Co Latino, at

2939

# http://www.diariocolatino.com/internacionales/detalles.asp?NewsID=8079,

2855

# <http://www.diariocolatino.com/internacionales/detalles.asp?NewsID=8079>,

2940

2856

# says in an article dated 2006-04-19 that the Guatemalan government had

2941

2857

# decided on that date to advance official time by 60 minutes, to lessen the

2942

2858

# impact of the elevated cost of oil.... Daylight saving time will last from

2944

2860

# From Paul Eggert (2006-06-22):

2945

2861

# The Ministry of Energy and Mines, press release CP-15/2006

2946

2862

# (2006-04-19), says DST ends at 24:00. See

2947

# <http://www.sieca.org.gt/Sitio_publico/Energeticos/Doc/Medidas/Cambio_Horario_Nac_190406.pdf>.

2863

# http://www.sieca.org.gt/Sitio_publico/Energeticos/Doc/Medidas/Cambio_Horario_Nac_190406.pdf

2948

2864

2949

2865

# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S

2950

2866

Rule Guat 1973 only - Nov 25 0:00 1:00 D

2961

2877

2962

2878

# Haiti

2963

2879

# From Gwillim Law (2005-04-15):

2964

# Risto O. Nykanen wrote me that Haiti is now on DST.

2965

# I searched for confirmation, and I found a

2966

# <a href="http://www.haitianconsulate.org/time.doc"> press release

2880

# Risto O. Nykänen wrote me that Haiti is now on DST.

2881

# I searched for confirmation, and I found a press release

2967

2882

# on the Web page of the Haitian Consulate in Chicago (2005-03-31),

2968

# </a>. Translated from French, it says:

2883

# <http://www.haitianconsulate.org/time.doc>. Translated from French, it says:

2969

2884

#

2970

2885

# "The Prime Minister's Communication Office notifies the public in general

2971

2886

# and the press in particular that, following a decision of the Interior

3042

2957

# <http://www.latribuna.hn/99299.html> that Manuel Zelaya, the president

3043

2958

# of Honduras, refused to back down on this.

3044

2959

3045

# From Jesper Norgaard Welen (2006-08-08):

2960

# From Jesper Nørgaard Welen (2006-08-08):

3046

2961

# It seems that Honduras has returned from DST to standard time this Monday at

3047

2962

# 00:00 hours (prolonging Sunday to 25 hours duration).

3048

2963

# http://www.worldtimezone.com/dst_news/dst_news_honduras04.html

3049

2964

3050

2965

# From Paul Eggert (2006-08-08):

3051

# Also see Diario El Heraldo, The country returns to standard time (2006-08-08)

3052

# <http://www.elheraldo.hn/nota.php?nid=54941&sec=12>.

2966

# Also see Diario El Heraldo, The country returns to standard time (2006-08-08).

2967

# http://www.elheraldo.hn/nota.php?nid=54941&sec=12

3053

2968

# It mentions executive decree 18-2006.

3054

2969

3055

2970

# From Steffen Thorsen (2006-08-17):

3076

2991

# Shanks & Pottenger give -5:07:12, but Milne records -5:07:10.41 from an

3077

2992

# unspecified official document, and says "This time is used throughout the

3078

2993

# island". Go with Milne. Round to the nearest second as required by zic.

2994

#

2995

# Shanks & Pottenger give April 28 for the 1974 spring-forward transition, but

2996

# Lance Neita writes that Prime Minister Michael Manley decreed it January 5.

2997

# Assume Neita meant Jan 6 02:00, the same as the US. Neita also writes that

2998

# Manley's supporters associated this act with Manley's nickname "Joshua"

2999

# (recall that in the Bible the sun stood still at Joshua's request),

3000

# and with the Rod of Correction which Manley said he had received from

3001

# Haile Selassie, Emperor of Ethiopia. See:

3002

# Neita L. The politician in all of us. Jamaica Observer 2014-09-20

3003

# http://www.jamaicaobserver.com/columns/The-politician-in-all-of-us_17573647

3004

#

3079

3005

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

3080

Zone America/Jamaica -5:07:11 - LMT 1890 # Kingston

3006

Zone America/Jamaica -5:07:11 - LMT 1890 # Kingston

3081

3007

-5:07:11 - KMT 1912 Feb # Kingston Mean Time

3082

-5:00 - EST 1974 Apr 28 2:00

3008

-5:00 - EST 1974

3083

3009

-5:00 US E%sT 1984

3084

3010

-5:00 - EST

3085

3011

3086

3012

# Martinique

3087

3013

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

3088

Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France

3089

-4:04:20 - FFMT 1911 May # Fort-de-France MT

3014

Zone America/Martinique -4:04:20 - LMT 1890 # Fort-de-France

3015

-4:04:20 - FFMT 1911 May # Fort-de-France MT

3090

3016

-4:00 - AST 1980 Apr 6

3091

3017

-4:00 1:00 ADT 1980 Sep 28

3092

3018

-4:00 - AST

3093

3019

3094

3020

# Montserrat

3095

# See 'southamerica'.

3021

# See America/Port_of_Spain.

3096

3022

3097

3023

# Nicaragua

3098

3024

#

3115

3041

# From Gwillim Law (2005-04-21):

3116

3042

# The Associated Press story on the time change, which can be found at

3117

3043

# http://www.lapalmainteractivo.com/guias/content/gen/ap/America_Latina/AMC_GEN_NICARAGUA_HORA.html

3118

# and elsewhere, says (fifth paragraph, translated from Spanish): "The last

3044

# and elsewhere, says (fifth paragraph, translated from Spanish): "The last

3119

3045

# time that a change of clocks was applied to save energy was in the year 2000

3120

# during the Arnoldo Aleman administration."...

3046

# during the Arnoldo Alemán administration."...

3121

3047

# The northamerica file says that Nicaragua has been on UTC-6 continuously

3122

3048

# since December 1998. I wasn't able to find any details of Nicaraguan time

3123

3049

# changes in 2000. Perhaps a note could be added to the northamerica file, to

3124

3050

# the effect that we have indirect evidence that DST was observed in 2000.

3125

3051

#

3126

# From Jesper Norgaard Welen (2005-11-02):

3052

# From Jesper Nørgaard Welen (2005-11-02):

3127

3053

# Nicaragua left DST the 2005-10-02 at 00:00 (local time).

3128

3054

# http://www.presidencia.gob.ni/presidencia/files_index/secretaria/comunicados/2005/septiembre/26septiembre-cambio-hora.htm

3129

3055

# (2005-09-26)

3130

3056

#

3131

# From Jesper Norgaard Welen (2006-05-05):

3057

# From Jesper Nørgaard Welen (2006-05-05):

3132

3058

# http://www.elnuevodiario.com.ni/2006/05/01/nacionales/18410

3133

3059

# (my informal translation)

3134

# By order of the president of the republic, Enrique Bolanos, Nicaragua

3060

# By order of the president of the republic, Enrique Bolaños, Nicaragua

3135

3061

# advanced by sixty minutes their official time, yesterday at 2 in the

3136

# morning, and will stay that way until 30.th. of september.

3062

# morning, and will stay that way until 30th of September.

3137

3063

#

3138

# From Jesper Norgaard Welen (2006-09-30):

3064

# From Jesper Nørgaard Welen (2006-09-30):

3139

3065

# http://www.presidencia.gob.ni/buscador_gaceta/BD/DECRETOS/2006/D-063-2006P-PRN-Cambio-Hora.pdf

3140

3066

# My informal translation runs:

3141

3067

# The natural sun time is restored in all the national territory, in that the

3153

3079

-5:45:12 - MMT 1934 Jun 23 # Managua Mean Time?

3154

3080

-6:00 - CST 1973 May

3155

3081

-5:00 - EST 1975 Feb 16

3156

-6:00 Nic C%sT 1992 Jan 1 4:00

3082

-6:00 Nic C%sT 1992 Jan 1 4:00

3157

3083

-5:00 - EST 1992 Sep 24

3158

3084

-6:00 - CST 1993

3159

3085

-5:00 - EST 1997

3162

3088

# Panama

3163

3089

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

3164

3090

Zone America/Panama -5:18:08 - LMT 1890

3165

-5:19:36 - CMT 1908 Apr 22 # Colon Mean Time

3091

-5:19:36 - CMT 1908 Apr 22 # Colón Mean Time

3166

3092

-5:00 - EST

3167

3093

3168

3094

# Puerto Rico

3169

3095

# There are too many San Juans elsewhere, so we'll use 'Puerto_Rico'.

3170

3096

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

3171

Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan

3097

Zone America/Puerto_Rico -4:24:25 - LMT 1899 Mar 28 12:00 # San Juan

3172

3098

-4:00 - AST 1942 May 3

3173

3099

-4:00 US A%sT 1946

3174

3100

-4:00 - AST

3175

3101

3176

3102

# St Kitts-Nevis

3177

3103

# St Lucia

3178

# See 'southamerica'.

3104

# See America/Port_of_Spain.

3179

3105

3180

3106

# St Pierre and Miquelon

3181

3107

# There are too many St Pierres elsewhere, so we'll use 'Miquelon'.

3182

3108

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

3183

Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre

3109

Zone America/Miquelon -3:44:40 - LMT 1911 May 15 # St Pierre

3184

3110

-4:00 - AST 1980 May

3185

3111

-3:00 - PMST 1987 # Pierre & Miquelon Time

3186

3112

-3:00 Canada PM%sT

3187

3113

3188

3114

# St Vincent and the Grenadines

3189

# See 'southamerica'.

3115

# See America/Port_of_Spain.

3190

3116

3191

3117

# Turks and Caicos

3192

3118

#

3193

3119

# From Chris Dunn in

3194

# <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=415007>

3120

# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=415007

3195

3121

# (2007-03-15): In the Turks & Caicos Islands (America/Grand_Turk) the

3196

3122

# daylight saving dates for time changes have been adjusted to match

3197

3123

# the recent U.S. change of dates.

3204

3130

# Clocks are set back one hour at 2:00 a.m. local Daylight Saving Time"

3205

3131

# indicating that the normal ET rules are followed.

3206

3132

#

3207

# From Paul Eggert (2006-05-01):

3208

# Shanks & Pottenger say they use US DST rules, but IATA SSIM (1991/1998)

3209

# says they switch at midnight. Go with Shanks & Pottenger.

3133

# From Paul Eggert (2014-08-19):

3134

# The 2014-08-13 Cabinet meeting decided to stay on UTC-4 year-round. See:

3135

# http://tcweeklynews.com/daylight-savings-time-to-be-maintained-p5353-127.htm

3136

# Model this as a switch from EST/EDT to AST on 2014-11-02 at 02:00.

3210

3137

#

3211

# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S

3212

Rule TC 1979 1986 - Apr lastSun 2:00 1:00 D

3213

Rule TC 1979 2006 - Oct lastSun 2:00 0 S

3214

Rule TC 1987 2006 - Apr Sun>=1 2:00 1:00 D

3215

Rule TC 2007 max - Mar Sun>=8 2:00 1:00 D

3216

Rule TC 2007 max - Nov Sun>=1 2:00 0 S

3217

3138

# Zone NAME GMTOFF RULES FORMAT [UNTIL]

3218

3139

Zone America/Grand_Turk -4:44:32 - LMT 1890

3219

-5:07:11 - KMT 1912 Feb # Kingston Mean Time

3220

-5:00 TC E%sT

3140

-5:07:11 - KMT 1912 Feb # Kingston Mean Time

3141

-5:00 - EST 1979

3142

-5:00 US E%sT 2014 Nov 2 2:00

3143

-4:00 - AST

3221

3144

3222

3145

# British Virgin Is

3223

3146

# Virgin Is

3224

# See 'southamerica'.

3147

# See America/Port_of_Spain.

3148

3149

3150

# Local Variables:

3151

# coding: utf-8

3152

# End: