title: How to convert DateTime to Date
body: <p>How can I convert <code>Date</code> to <code>DateTime</code> and vice versa?</p>
  
  <p>E.g.</p>
  
  <pre><code>Date dt = new Date();
  </code></pre>
  
  <p>Now I want to covert this to <code>DateTime</code>.</p>
  
  <p>Also</p>
  
  <pre><code>DateTime dtim = new DateTime();
  </code></pre>
  
  <p>Now I want to convert it to Date.</p>