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由于silverlight没有完整的TimeZoneInfo,我需要自己实现一些功能。例如,这个信息之后来自.NET的TimeZoneInfo夏令时规则和转换
ID: Central Standard Time
Display Name: (UTC-06:00) Central Time (US & Canada)
Standard Name: Central Standard Time
Daylight Name: Central Daylight Time ***Has Daylight Saving Time***
Offset from UTC: -6 hours, 0 minutes
Number of adjustment rules: 2
Adjustment Rules:
From 1/1/0001 12:00:00 AM to 12/31/2006 12:00:00 AM
Delta: 01:00:00
Begins at 2:00 AM on Sunday of week 1 of April
Ends at 2:00 AM on Sunday of week 5 of October
From 1/1/2007 12:00:00 AM to 12/31/9999 12:00:00 AM
Delta: 01:00:00
Begins at 2:00 AM on Sunday of week 2 of March
Ends at 2:00 AM on Sunday of week 1 of November
我的问题是如何执行这样的规则,当我需要从UTC转换为本地和回?
我应该UTC,。减去6小时,然后检查是否凌晨2点之后的周日第2周的三月,然后加入1小时?
或者我应该采取UTC,检查它是否是凌晨2点后,然后5。减去?