title: How to add 10 minutes to my (String) time?
body: <p>I have this time:</p>
  <pre><code>String myTime = &quot;14:10&quot;;
  </code></pre>
  <p>Now I want to add 10 minutes to this time, so that it would be <code>14:20</code></p>
  <p>How can I achieve this?</p>