title: Calculate number of days remaining
body: <p>I would like to calculate the number of days remaining before a date. In my database I have a timestamp corresponding to the end date. For example Friday 30. I would like to say something like that :</p>
  
  <p>7 days remaining... 6, 5, 4, etc</p>
  
  <p>Can you help me please ?</p>