title: javascript get timestamp in system timezone not in UTC
body: <p>Hi all im looking for a way to get current system time in a timestamp.
  i used this to get timestamp:</p>
  
  <pre><code>new Date().getTime();
  </code></pre>
  
  <p>but it return the time in UTC timezone not the timezone that server use</p>
  
  <p>is there any way to get timestamp with system timezone?</p>