title: hex convert to datetime
body: <p>Need some help to determine how is this date/time being encoded
  Here are some examples (known date only):</p>
  <ul>
  <li><code>2B5F0200</code> -&gt; 31/10/2021</li>
  <li><code>2B9F0200</code> -&gt; 31/12/2021</li>
  <li><code>2C3F0200</code> -&gt; 31/01/2022</li>
  </ul>
  <p>I don't understand how this datetime format works.</p>