Date to Millis - Millis to Date

var today = new Date();
var plusTwo = today.getTime() + 7200000;
var revertedMillis = new Date(plusTwo);

console.log("Today in millis", today.getTime());
console.log("+2 hours in millis", plusTwo);

console.log("Today formatted date", today);
console.log("+2 hours formatted date", revertedMillis);