title: To find the next work day
body: <p>Let's say I have stored a bunch of holidays in my database.</p>
  
  <p>What I need to do is find out which is next work day excluding Saturdays and the public holidays defined in the database.</p>
  
  <p>eg.</p>
  
  <p>Let's say today is the Friday the 15th Feb and the 17th and the 18th are public holidays as defined in the database as datetime.  So now when I press a button that says next work day, it should return 19th Feb.</p>
  
  <p>Which is the most efficient way to to get it?</p>