title: Change timezone in laravel
body: <p>I want change the default timezone from UTC to Asia/Tehran
  where I can change it? 
  I tried by changing this code in app.php but it did not work.</p>
  
  <pre><code>'timezone' =&gt; 'UTC',
  </code></pre>
  
  <p>to</p>
  
  <pre><code>'timezone' =&gt; 'Asia/Tehran',
  </code></pre>