title: How to add 1 hour to date Carbon?
body: <p>I have <code>datetime</code> <code>"2016-11-24 11:59:56"</code>. How can I add one hour to this date and compare it with current datetime?</p>
  
  <p>I tried:</p>
  
  <pre><code>$date = "2016-11-24 11:59:56";
  $date-&gt;addHour();
  </code></pre>