Determine Whether Two Date Ranges Overlap

Posted by Ian Nelson on Stack Overflow See other posts from Stack Overflow or by Ian Nelson
Published on 2008-11-28T14:48:35Z Indexed on 2010/03/09 2:51 UTC
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language-agnostic

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datetime

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algorithm

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math

Given two date ranges, what is the simplest or most efficient way to determine whether the two date ranges overlap?

As an example, suppose we have ranges denoted by DateTime variables StartDate1 to EndDate1 and StartDate2 to EndDate2.

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