title: Timestamp for different timezones in php
body: <p>In the below code i need to get unixtimestamp for 2 Country timezone. The output of the code will give me a date with difference but the timestamp is not differ each other. It remains same. Can anyone possible to give a solution to get different timestamp for different timezones? Thanks in advance.</p>
  
  <pre><code>date_default_timezone_set('Asia/Calcutta');
  echo date("Y-m-d H:i:s")."&lt;br/&gt;"; //2012-12-18 12:12:12
  echo strtotime(date("Y-m-d H:i:s",time()))."&lt;br/&gt;"; //1355812934
  
  date_default_timezone_set('Europe/London');
  echo date("Y-m-d H:i:s")."&lt;br/&gt;"; //2012-12-18 06:12:12
  echo strtotime(date("Y-m-d H:i:s",time()))."&lt;br/&gt;"; //1355812934
  </code></pre>