moment.js with exsisting dates code example

Example 1: moment js add day

var new_date = moment(startdate, "DD-MM-YYYY").add(5, 'days');

Example 2: moment format

moment().format('MMMM Do YYYY, h:mm:ss a'); // September 30th 2020, 2:48:17 pm
moment().format('dddd');                    // Wednesday
moment().format("MMM Do YY");               // Sep 30th 20
moment().format('YYYY [escaped] YYYY');     // 2020 escaped 2020
moment().format();                          // 2020-09-30T14:48:17+02:00

Example 3: moment js date diff

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"

Example 4: moment to javascript date

let now = moment()
let now = now.toDate()