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Unix time, or POSIX time, is a system for describing points in time: it is the number of seconds elapsed since midnight UTC of January 1, 1970, not counting leap seconds

Here is how you do it in SQL Server. To get the datetime value for a value stored in Unix time you need to add the seconds to the base Unit time which is '19700101 05:00:00:000'

The following code will give you an output of '2010-05-25 07:56:23.000'

To get the datetime for Unix time for January 1, 2001 run this

See also http://wiki.lessthandot.com/index.php/Epoch_Date for the reverse, converting from datetime to Unix time

Contributed by: --SQLDenis 17:32, 25 May 2010 (GMT)

Part of SQL Server Programming Hacks

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