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![]() 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 :) -- Bumblebee ------------------------------------------------------------------------ Bumblebee's Profile: http://www.excelforum.com/member.php...o&userid=25669 View this thread: http://www.excelforum.com/showthread...hreadid=390851 |
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