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Thread ID: 8578 2001-04-05 10:29:00 Excel Guest (0) Press F1
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10883 2001-04-05 10:29:00 Newbie problem here. Have 2 columns of times hh:mm:ss format. Wish to subtract A1 from B1 to get elapsed time. B1-A1=#VALUE! Seems so simple...? Guest (0)
10884 2001-04-05 12:09:00 Simon,

In the menu at the top of the page select 'PC World' then scroll down to 'Everything You wanted to know about Microsoft Excel' and read section 16.
It is quite fortuitous that this article is available now,
If this is no help - respond to your own post and more info will follow,

Cheers
Guest (0)
10885 2001-04-06 02:31:00 Sweet
Simply select all cells that will contain time values. Right click on them and choose format cells. Then select time on the left and hh:mm:ss on the right

now in A1 enter 15:30:55
in B1 enter 15:45:55
in C1 tpe =B1-A1 the answer will show as 0:15:00

You MUST use : to seperate the values. A full stop (15.30.55) will cause excel to return #value

Good luck :)
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