title: .setHours(0,0,0,0) with moment.js
body: <p>What is the easiest equivalent of <code>date.setHours(0,0,0,0)</code> when using moment.js?</p>
  
  <p>Basically, if I need a <code>new Date()</code> moment with hours, minutes, seconds, and milliseconds zeroed out.</p>