JAVASCRIPT

compare two dates using moment

moment('2010-10-20').isAfter('2010-01-01', 'year'); // false
moment('2010-10-20').isAfter('2009-12-31', 'year'); // true

how to compare two time in moment js

var beginningTime = moment('8:45am', 'h:mma');
var endTime = moment('9:00am', 'h:mma');
console.log(beginningTime.isBefore(endTime)); // true
console.log(beginningTime.toDate()); // Mon May 12 2014 08:45:00
console.log(endTime.toDate()); // Mon May 12 2014 09:00:00

moment compare time

var now = "04/09/2013 15:00:00";
var then = "02/09/2013 14:20:30";

var ms = moment(now, "DD/MM/YYYY HH:mm:ss").diff(moment(then, "DD/MM/YYYY HH:mm:ss"));
var d = moment.duration(ms);
var s = d.format("hh:mm:ss");

// outputs: "48:39:30"