How to add dates to database columns

How to add dates to database columns

Hi.
 
I want to update the ACQUISITIONDATE column in the Resources table.
 
As the column only accepts BigInt data I want to convert the relevant date to this value.
 
I have tried converting the date using
 
SELECT  dbo . unix_timestamp ( '2008-09-14 00:00:00' )
 
which returns the value 1221346800
 
However, when I update the column and view the data in ServiceDesk it displays
 
Jan 15, 1970
 
If I convert 1221346800 back to a date using
 
SELECT dbo .from_unixtime(1221346800)
 
I get
 
2008-09-14 00:00:00.000
 
Could you tell me where I am getting an incorrect date in the UI?
 
Thanks,
 
Brendan
 

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