title: Deprecation warning for moment timezone
body: <pre><code>var viewValue = "GMT"; 
  
  return moment(moment().tz(viewValue).format('LLL'));
  </code></pre>
  
  <p>Above <code>return</code> throw below error, can you please let me know how to fix below issue:</p>
  
  <pre><code>Deprecation warning: value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are discouraged and will be removed in an upcoming major release. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.
  </code></pre>