我有一个来自数据库记录的 UTC 日期时间值.我还有一个用户指定的时区(TimeZoneInfo 的一个实例).如何将该 UTC DateTime 转换为用户的本地时区?另外,如何确定用户指定的时区当前是否正在遵守 DST?我正在使用 .NET 3.5.
I have a UTC DateTime value coming from a database record. I also have a user-specified time zone (an instance of TimeZoneInfo). How do I convert that UTC DateTime to the user's local time zone? Also, how do I determine if the user-specified time zone is currently observing DST? I'm using .NET 3.5.
谢谢,标记
看看 DateTimeOffset 结构:
// user-specified time zone
TimeZoneInfo southPole =
TimeZoneInfo.FindSystemTimeZoneById("Antarctica/South Pole Standard Time");
// an UTC DateTime
DateTime utcTime = new DateTime(2007, 07, 12, 06, 32, 00, DateTimeKind.Utc);
// DateTime with offset
DateTimeOffset dateAndOffset =
new DateTimeOffset(utcTime, southPole.GetUtcOffset(utcTime));
Console.WriteLine(dateAndOffset);
对于 DST,请参阅 TimeZoneInfo.IsDaylightSavingTime 方法.
For DST see the TimeZoneInfo.IsDaylightSavingTime method.
bool isDst = southpole.IsDaylightSavingTime(DateTime.UtcNow);
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