title: If I have two time periods, how do I find out if they overlap?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/325933/determine-whether-two-date-ranges-overlap">Determine Whether Two Date Ranges Overlap</a>  </p>
  </blockquote>
  
  
  
  <p>Say I have two objects, and each of these objects have a date ranges which is between its end date and start date, how do I figure out if there is any overlap between the two date ranges in the most efficient or quickest way.</p>
  
  <p>I would like to do this using .NET 3.5 c#</p>