EST (Eastern Standard Time) is always UTC (GMT) minus 5 hours.EDT (Eastern Daylight Time) is always UTC (GMT) minus 4 hours.Is it possible that your real question (as opposed to the one you asked) is how to determine which to use?select [Eastern Standard Time] = dateadd(hour,-5,MyUTCTime), [Eastern Daylight Time] = dateadd(hour,-4,MyUTCTime), MyUTCTimefrom ( Select MyUTCTime = getutcdate() ) a
Eastern Standard Time Eastern Daylight Time MyUTCTime------------------------ ------------------------ ------------------------ 2006-10-12 15:13:50.903 2006-10-12 16:13:50.903 2006-10-12 20:13:50.903(1 row(s) affected)
CODO ERGO SUM