Calculate Overlap Of Two Date Ranges
We often have to calculate the number of overlapping days in two date ranges. For example: How
many days of my vacation overlap with your vacation? Here's a LotusScript function we came up with
to do this. It exploits some of the formula language's built in functions. We're only interested in
whole days of overlap, but you could adapt it for time ranges as well.
This was first published in November 2000
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