Add offset to UTC date in Javascript
<p>I have UTC date and want to add offset say 330 minutes to it. </p>

<pre><code>var now = new Date(); 
var now_utc = new Date(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(),  now.getUTCHours(), now.getUTCMinutes(), now.getUTCSeconds());
var offset = 330;

var new_date = ????
</code></pre>