I have a formula that works out how many hours long a shift is even if the time goes past midnight.
=IF(L4<M4,M4-L4,M4+1-L4)
The data in L4 and M4 are the starting and finishing times.
However if there is no data in the cell then it returns a result of 24:00. Is there anyway I can change the formula to produce a zero return if there is no data in the cells?
Much appreciated.
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