Try a formula like

=A1-B1+(A1<B1)

Where A1 is the end time and B1 is the start time. The +(A1<B1)
part of the formula will add 1 day if the end time is earlier
than the start time.


--
Cordially,
Chip Pearson
Microsoft MVP - Excel
Pearson Software Consulting, LLC
www.cpearson.com


"Tammy" wrote in message
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