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Need SQL help to convert nvarchar(255) to datetime.

Posted on 2013-05-15
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Last Modified: 2013-05-16
I hope this posting finds everyone doing well.

I received a SQL table with a nvarchar(255) column with dates as strings, below are a few examples.

Sun Aug 19 19:01:17 +0000 2012
Thu Oct 13 21:35:22 +0000 2011
Fri Apr 13 03:24:38 +0000 2012
Mon Nov 28 03:05:30 +0000 2011
Wed May 27 01:30:07 +0000 2009
Fri Jul 22 00:27:20 +0000 2011

I wanted to see if anyone knew how to convert these to datetime.  I have been trying the convert method with no luck.  I figure I would ask on here before I started writing my own SQL function to do this.

Many thanks!
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Question by:rye004
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3 Comments
 
LVL 75

Assisted Solution

by:Aneesh Retnakaran
Aneesh Retnakaran earned 125 total points
ID: 39169671
declare @dt varchar(255) = 'Sun Aug 19 19:01:17 +0000 2012'
select cast (RIGHT(@dt,4)+ ' ' +substring(@dt,5, len(@dt)-14) as datetime )
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LVL 69

Accepted Solution

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Scott Pletcher earned 125 total points
ID: 39172083
If you don't need the offset -- for example, it's always +0000 anyway, you can do this:

    CAST(  RIGHT(string, 4) + SUBSTRING(string, 4, 17)  ) AS datetime
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Author Closing Comment

by:rye004
ID: 39173031
Thank you so much for your fast response.  These both worked perfectly.
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