title: Countdown time between start time and end time
body: <p>I am working on jQuery, I want to countdown time between start time and end time.
  I have start time and end time and also get difference between them but how to countdown <strong>difference</strong> variable time. my code look like this</p>
  
  <pre><code>  var receivedTime = $('.external-event').attr('data-receivedtime');
              var now = new Date();
              var difference = moment.utc(moment(now, "DD/MM/YYYY HH:mm:ss").diff(moment(receivedTime, "DD/MM/YYYY HH:mm:ss"))).format("HH:mm:ss");
  </code></pre>
  
  <p>I Want this type of time in <strong>difference</strong> variable : 05:47:50</p>