The formula is in the yellow cells in the data validation already, but here it is if this helps, in cell A3 is =(A3>=B2)+(B2-A3>20/24). I want them to be able to select a time from the list, but it cannot overlap previous time.
The formula is in the yellow cells in the data validation already, but here it is if this helps, in cell A3 is =(A3>=B2)+(B2-A3>20/24). I want them to be able to select a time from the list, but it cannot overlap previous time.
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