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<?xml version="1.0" encoding="utf-8"?>
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<page xmlns="http://projectmallard.org/1.0/" type="topic" style="task" id="clock-set">
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<link type="guide" xref="clock"/>
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<desc>Cập nhật ngày giờ hiển thị trên đỉnh màn hình</desc>
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<revision pkgversion="3.0" date="2011-04-03" status="final"/>
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<revision pkgversion="3.0" version="3.0.1" date="2011-04-06" status="outdated"/>
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<name>Dự án tài liệu GNOME</name>
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<email>gnome-doc-list@gnome.org</email>
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<include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>
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<title>Thay đổi ngày giờ</title>
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<p>To adjust the time and date, click on the clock located in the center of the top bar and select <gui>Date and Time Settings</gui>.</p>
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<p>Now, click on <gui>Unlock</gui> and type your password to be able to:</p>
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<item><p>Set the time manually by clicking on the arrows for the hour and minute hands.</p></item>
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<item><p>Set the date manually by clicking on the drop-down menu.</p></item>
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<p>Have the clock update itself automatically by turning the <gui>Network Time</gui> ON.</p>
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<p>When <em>network time</em> is turned on, the computer will periodically synchronize its clock with a very accurate clock on the internet, so you don't have to do it manually. This will only work if you are connected to the internet.</p>
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<p>You can also change the hour format display by turning the 24-hour format ON or OFF.</p>