declare @currentDateTime datetime declare @timeStampValue int set @currentDateTime = SYSDATETIME(); print @currentDateTime set @timeStampValue = DATEDIFF(second, '1970-01-01', @currentDateTime) print @timeStampValue
To check the result:
https://www.epochconverter.com/
UTC milleseconds example:
declare @timeStampValue Bigint declare @utcDateTime datetime set @utcDateTime = GETUTCDATE(); set @timeStampValue = DATEDIFF(SECOND, '1970-01-01', @utcDateTime) set @timeStampValue = @timeStampValue * 1000