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Bumblebee
 
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Default Summing negative time


Hi All,

I am having problems adding time values hwen a negative time is
involved. I have read all the posts on this and have chosen the 1904
date option, but no success.
I determine the difference between times and then subtract a standard
day from this amount to achieve a result (positive or negative). Then
I want to sum the results. Works fine as long as I don't have any
negative results. If I do have negative then the answer is always 0.


Example:


Morning.............Afternoon..............Balance
In.......Out........In........Out..........Total.. Flex...Balance
8:15 AM..12:35 PM...1:00 PM...5:00:00 PM...8:20...1:20...1:20
9:00 AM..12:55 PM...1:00 PM...3:15:00 PM...6:10..-0:50...0:00
8:30 AM..12:15 PM...1:30 PM...3:00 PM......5:15..-1:45...0:00
8:00 AM..11:00 AM...11:30 AM..5:00 PM......8:30...1:30...0:00


I have tried the following formulae:
= L3 + M4
= MOD ((L3+M4),1)
= SUM (L3:L4)

I am not the most proficient Excel user - if anyone has ideas I would
be most grateful.

Deb :)


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