Moment utcOffset
by findango
HTML
<script src="https://momentjs.com/downloads/moment.min.js"></script>
<script src="https://momentjs.com/downloads/moment-timezone-with-data.min.js"></script>
<script>
function log() {
var args = Array.prototype.slice.call(arguments, 0);
document.getElementById('output').innerHTML += args.join(" ") + "\n";
}
</script>
<pre id="output"></pre>
JavaScript
// Tue Jan 10 09:29:51.092 PST 2017
const ts = 1484069391092;
const offset = -300; // -05:00
log('local: ', moment(ts));
log('east: ', moment(ts).utcOffset(offset));
log('UTC: ', moment(ts).utc());
log();
log('parsed:', moment.parseZone(ts).utc());