title: Convert decimal hours to HH:MM:SS
body: <p>I'm looking for a way to convert decimal hours to HH:MM:SS</p>
  
  <p>For instance, as input:</p>
  
  <pre><code>4.927778 hours
  </code></pre>
  
  <p>Desired output:</p>
  
  <pre><code>04:55:40
  </code></pre>