SQL Server 本地时间和UTC时间的相互转换的代码

DECLARE  @LocalDate DATETIME,

@UTCDate DATETIME,

@LocalDate2 DATETIME

 

SET  @LocalDate = GETDATE()

SET  @UTCDate = DATEADD( hour , DATEDIFF( hour ,GETDATE(),GETUTCDATE()), @LocalDate)

SET  @LocalDate2 = DATEADD( hour , DATEDIFF( hour ,GETUTCDATE(),GETDATE()), @UTCDate)

 

SELECT  '1. Now'  [Now], @LocalDate [DateTime]

UNION

SELECT  '2. UTC' , @UTCDate

UNION

SELECT  '3. Now again' , @LocalDate2