With no sample(s) of your current data all I can suggest is that you look at using the built in function GETDATE.
For example:
SELECT GETDATE() executing this just a minute or two before typing this reply returns
2014-02-02 21:26:48.880
year -month-day hour:minute:seconds:milliseconds
If everything seems to be going well, you have obviously overlooked something.
Ron
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