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how to subtract a time in SQL server

Posted on 2004-09-19
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Last Modified: 2008-02-01
how i subtract a time(hours & minuts) like
i have a time1 09:00 AM and time2 11:30 AM the differance is 2:30 hours
i use DateDiff(hh,time1,time2) they return 2 only but i need hours witt minuts like (2:30)
how i use a Query for this prblum
i use this query in asp.net

please help me .
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Question by:ISKPatel
3 Comments
 
LVL 9

Expert Comment

by:paelo
ID: 12097135
Try:

SELECT CONVERT(varchar,+DATEDIFF(hh,time1,time2))+':'+CONVERT(varchar,DATEDIFF(n,time1,time2)) As TimeDiff
FROM yourtable

-Paul.
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LVL 18

Accepted Solution

by:
nigelrivett earned 200 total points
ID: 12098564
time2 - time1 will do it if they are both datetimes.
If not you can convert
convert(datetime,time2) - convert(datetime,time1)
then format the result maybe?
convert(varchar(5),convert(datetime,time2) - convert(datetime,time1),108)

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Author Comment

by:ISKPatel
ID: 12099866
Tahanks nigelrivett

my problum in sloved
thanks again

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