Example 1: moment.js
npm install moment --save
const moment = require('moment'); //require
moment().format('MMMM Do YYYY, h:mm:ss a'); // February 13th 2021, 1:49:03 am
moment().format('dddd'); // Saturday
moment().format("MMM Do YY"); // Feb 13th 21
moment().format('YYYY [escaped] YYYY'); // 2021 escaped 2021
moment().format(); // 2021-02-13T01:49:29+01:00
moment("20111031", "YYYYMMDD").fromNow(); // 9 years ago
moment("20120620", "YYYYMMDD").fromNow(); // 9 years ago
moment().startOf('day').fromNow(); // 2 hours ago
moment().endOf('day').fromNow(); // in a day
moment().startOf('hour').fromNow(); // an hour ago
moment().subtract(10, 'days').calendar(); // 02/03/2021
moment().subtract(6, 'days').calendar(); // Last Sunday at 1:50 AM
moment().subtract(3, 'days').calendar(); // Last Wednesday at 1:50 AM
moment().subtract(1, 'days').calendar(); // Yesterday at 1:50 AM
moment().calendar(); // Today at 1:50 AM
moment().add(1, 'days').calendar(); // Tomorrow at 1:50 AM
moment().add(3, 'days').calendar(); // Tuesday at 1:50 AM
moment().add(10, 'days').calendar(); // 02/23/2021
moment.locale(); // en
moment().format('LT'); // 1:50 AM
moment().format('LTS'); // 1:50:49 AM
moment().format('L'); // 02/13/2021
moment().format('l'); // 2/13/2021
moment().format('LL'); // February 13, 2021
moment().format('ll'); // Feb 13, 2021
moment().format('LLL'); // February 13, 2021 1:50 AM
moment().format('lll'); // Feb 13, 2021 1:50 AM
moment().format('LLLL'); // Saturday, February 13, 2021 1:50 AM
moment().format('llll'); // Sat, Feb 13, 2021 1:51 AM
Example 2: moment.format
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Example 3: format a date moment
moment(testDate).format('MM/DD/YYYY');
Example 4: moment format date
moment().format(); // "2019-08-12T17:52:17-05:00" (ISO 8601, no fractional seconds)
moment().format("dddd, MMMM Do YYYY, h:mm:ss a"); // "Monday, August 12th 2019, 5:52:00 pm"
moment().format("ddd, hA"); // "Mon, 5PM"
Example 5: momentjs
npm install moment --save
yarn add moment
moment.locale(); // en
moment().format('LT'); // 8:49 AM
moment().format('LTS'); // 8:49:26 AM
moment().format('L'); // 10/13/2020
moment().format('l'); // 10/13/2020
moment().format('LL'); // October 13, 2020
moment().format('ll'); // Oct 13, 2020
moment().format('LLL'); // October 13, 2020 8:49 AM
moment().format('lll'); // Oct 13, 2020 8:49 AM
moment().format('LLLL'); // Tuesday, October 13, 2020 8:49 AM
moment().format('llll'); // Tue, Oct 13, 2020 8:49 AM
Example 6: javascript moment
m = moment('2013-03-01', 'YYYY-MM-DD')