Try:

=SUMIF(A1:A30,"="&TIME(0,5,))-SUMIF(A1:A30,""&TIME(0,10,))

--
HTH

Sandy
In Perth, the ancient capital of Scotland
and the crowning place of kings


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"Hassan" wrote in message
...
Dear All,

i have the series of time in coloumn. I want to sum only that times
duration
which are less then 10 min. or more then 5 min. all other will be count as
zero.

Thanks & regards