检查夏令时是否生效? [英] Check if daylight savings is in effect?

问题描述

如何检查丹麦的夏令时是否已生效，如果是，则在我的数据中添加 1 小时，否则不会?我有一个 xml 文件:

How to check if in Denmark daylight time savings has taken effect, if so, then add 1 hour to my data, else not? I have a xml file:

<day = "1"
month = "5"
sunrise ="06:30"
sunset ="21:30"
/>

推荐答案

觉得你需要把这个 xml 转换成 DateTime 然后使用 TimeZoneInfo 类.

Think you need convert this xml to DateTime and then use TimeZoneInfo class.

如果丹麦是您的当地时间:

If Denmark your local time:

DateTime thisTime = DateTime.Now;
bool isDaylight = TimeZoneInfo.Local.IsDaylightSavingTime(thisTime);

否则您需要获取丹麦时区:

Else you need to get Denmark TimeZone:

DateTime thisTime = DateTime.Now;
// get Denmark Standard Time zone - not sure about that
TimeZoneInfo tst = TimeZoneInfo.FindSystemTimeZoneById("Denmark Standard Time");
bool isDaylight = tst.IsDaylightSavingTime(thisTime);

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