title: Difference between timezones with Carbon
body: <p>Time in CEST = UTC time+2h
  but my code showing only 1h and I don't know why... (you can test it <a href="http://phpio.net/tools/carbon" rel="nofollow noreferrer">here</a> )</p>
  
  <pre><code>require 'Carbon/Carbon.php';
  use Carbon\Carbon;
  
  $timestamp = '2018-04-06 14:30:00';
  $date = Carbon::createFromFormat('Y-m-d H:i:s', $timestamp, 'UTC');
  var_dump($date);
  //{ ["date"]=&gt; string(26) "2018-04-06 14:30:00.000000" ["timezone_type"]=&gt; int(3) ["timezone"]=&gt; string(3) "UTC" } 
  $date-&gt;tz('CEST');
  var_dump($date);
  //{ ["date"]=&gt; string(26) "2018-04-06 15:30:00.000000" ["timezone_type"]=&gt; int(2) ["timezone"]=&gt; string(4) "CEST" }
  </code></pre>