JSFiddle - React, Tailwind, and code Playground
by Sam88
JavaScript
//Time to UTC
var d = new Date(1385386049402);
var localTime = d.getTime();
var localOffset = d.getTimezoneOffset() * 60000;
var utc = localTime + localOffset;
// obtain and add destination's UTC time offset
// for example, Rome
// which is UTC + 1 hours
var offset = 1.0;
var rome = utc + (3600000*offset);
var nd = new Date(rome);
alert("Rome time is " + nd.toString());