how can change (America/Chicago) time into indian(Asia/Kolkata) time
<p><code>$row['created']</code> &lt;- a variable get date/time into Database .
<code>$row['created'] have  time like 2016-10-07 01:31:42 .</code> and time zone<code>(America/Chicago)</code> . 
so I would like show  time according Indian time zone . I am using code shown in below but is not working.</p>

<pre><code>$timestamp = strtotime($row['created']);
    date_default_timezone_set("Asia/Kolkata");
    echo date('r', $timestamp);
</code></pre>