title: Moment.js get day name from date
body: <p>I'm using jquery and moment.js for a custom calendar.</p>
  
  <p>I have a date object in a variable <code>myDate</code> like : </p>
  
  <pre><code> Object { date="2014-12-23 14:00:00", timezone_type=3, timezone="Europe/Paris"}
  </code></pre>
  
  <p>I want, using moment.js (or not) get the day name of this date, in my example i need to get : <code>tuesday</code></p>
  
  <p>Ideas ? Thanks</p>