Newtonsoft.Json\Utilities\DateTimeUtils.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml;

using System.Globalization;

namespace Newtonsoft.Json.Utilities

{

  internal static class DateTimeUtils

  {

    public static string GetLocalOffset(this DateTime d)

    {

      TimeSpan utcOffset;

#if PocketPC || NET20

      utcOffset = TimeZone.CurrentTimeZone.GetUtcOffset(d);

#else

      utcOffset = TimeZoneInfo.Local.GetUtcOffset(d);

#endif

      return utcOffset.Hours.ToString("+00;-00", CultureInfo.InvariantCulture) + ":" + utcOffset.Minutes.ToString("00;00", CultureInfo.InvariantCulture);

    }

    public static XmlDateTimeSerializationMode ToSerializationMode(DateTimeKind kind)

    {

      switch (kind)

      {

        case DateTimeKind.Local:

          return XmlDateTimeSerializationMode.Local;

        case DateTimeKind.Unspecified:

          return XmlDateTimeSerializationMode.Unspecified;

        case DateTimeKind.Utc:

          return XmlDateTimeSerializationMode.Utc;

        default:

          throw MiscellaneousUtils.CreateArgumentOutOfRangeException("kind", kind, "Unexpected DateTimeKind value.");

      }

    }

  }

}