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// Copyright (c) 2007 James Newton-King
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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using System.Globalization;
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namespace Newtonsoft.Json.Utilities
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internal static class DateTimeUtils
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public static string GetUtcOffsetText(this DateTime d)
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TimeSpan utcOffset = d.GetUtcOffset();
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return utcOffset.Hours.ToString("+00;-00", CultureInfo.InvariantCulture) + ":" + utcOffset.Minutes.ToString("00;00", CultureInfo.InvariantCulture);
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public static TimeSpan GetUtcOffset(this DateTime d)
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return TimeZone.CurrentTimeZone.GetUtcOffset(d);
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return TimeZoneInfo.Local.GetUtcOffset(d);
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#if !(NETFX_CORE || PORTABLE)
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public static XmlDateTimeSerializationMode ToSerializationMode(DateTimeKind kind)
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case DateTimeKind.Local:
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return XmlDateTimeSerializationMode.Local;
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case DateTimeKind.Unspecified:
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return XmlDateTimeSerializationMode.Unspecified;
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case DateTimeKind.Utc:
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return XmlDateTimeSerializationMode.Utc;
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throw MiscellaneousUtils.CreateArgumentOutOfRangeException("kind", kind, "Unexpected DateTimeKind value.");