Subtracting Hours from Date Time

How could I subtract a certain number of hours from a DateTime value? I noticed there is a BIRT function called addHour, but is there a way to subtract hours?

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Comments

rihanna

Have you tried to put minus number in addHour function?

arunkumarb

HI,
Can you try with the following function:

BirtDateTime.diffHour(source:DateTime,target:DateTime).

Regards,
Arun

kpelzer29

That worked! Thank you! 
 
<blockquote class='ipsBlockquote' data-author="'rihanna'" data-cid="80060" data-time="1310595837" data-date="13 July 2011 - 03:23 PM">
Have you tried to put minus number in addHour function? </blockquote>