[javascript] How to use format() on a moment.js duration?

Is there any way I can use the moment.js format method on duration objects? I can't find it anywhere in the docs and it doesn't seen to be an attribute on duration objects.

I'd like to be able to do something like:

var diff = moment(end).unix() - moment(start).unix();
moment.duration(diff).format('hh:mm:ss')

Also, if there are any other libraries which can easily accommodate this sort of functionality, I'd be interested in recommendations.

Thanks!

var diff = moment(end).unix() - moment(start).unix();
moment.utc(moment.duration(diff).asMilliseconds()).format("HH:mm:ss.SSS");

Use moment-duration-format.

Client Framework (ex: React)

import moment from 'moment';
import momentDurationFormatSetup from 'moment-duration-format';
momentDurationFormatSetup(moment);

const breakLengthInMinutes = moment.duration(breakLengthInSeconds, 's').format('m');

Server (node.js)

const moment = require("moment-timezone");
const momentDurationFormatSetup = require("moment-duration-format");

momentDurationFormatSetup(moment);

const breakLengthInMinutes = moment.duration(breakLengthInSeconds, 's').format('m');

// set up
let start = moment("2018-05-16 12:00:00"); // some random moment in time (in ms)
let end = moment("2018-05-16 12:22:00"); // some random moment after start (in ms)
let diff = end.diff(start);

// execution
let f = moment.utc(diff).format("HH:mm:ss.SSS");
alert(f);

Have a look at the JSFiddle

If all hours must be displayed (more than 24) and if '0' before hours is not necessary, then formatting can be done with a short line of code:

Math.floor(duration.as('h')) + moment.utc(duration.as('ms')).format(':mm:ss')

import * as moment from 'moment'
var sleep = require('sleep-promise');

(async function () {
    var t1 = new Date().getTime();
    await sleep(1000); 
    var t2 = new Date().getTime();
    var dur = moment.duration(t2-t1); 
    console.log(`${dur.hours()}h:${dur.minutes()}m:${dur.seconds()}s`);
})();

0h:0m:1s

This works for me:

moment({minutes: 150}).format('HH:mm') // 01:30

If you're willing to use a different javascript library, numeral.js can format seconds as follows (example is for 1000 seconds):

var string = numeral(1000).format('00:00');
// '00:16:40'

How about native javascript?

var formatTime = function(integer) {
    if(integer < 10) {
        return "0" + integer; 
    } else {
        return integer;
    }
}

function getDuration(ms) {
    var s1 = Math.floor(ms/1000);
    var s2 = s1%60;
    var m1 = Math.floor(s1/60);
    var m2 = m1%60;
    var h1 = Math.floor(m1/60);
    var string = formatTime(h1) +":" + formatTime(m2) + ":" + formatTime(s2);
    return string;
}

This can be used to get the first two characters as hours and last two as minutes. Same logic may be applied to seconds.

/**_x000D_
     * PT1H30M -> 0130_x000D_
     * @param {ISO String} isoString_x000D_
     * @return {string} absolute 4 digit number HH:mm_x000D_
     */_x000D_
_x000D_
    const parseIsoToAbsolute = (isoString) => {_x000D_
    _x000D_
      const durations = moment.duration(isoString).as('seconds');_x000D_
      const momentInSeconds = moment.duration(durations, 'seconds');_x000D_
    _x000D_
      let hours = momentInSeconds.asHours().toString().length < 2_x000D_
        ? momentInSeconds.asHours().toString().padStart(2, '0') : momentInSeconds.asHours().toString();_x000D_
        _x000D_
      if (!Number.isInteger(Number(hours))) hours = '0'+ Math.floor(hours);_x000D_
    _x000D_
      const minutes = momentInSeconds.minutes().toString().length < 2_x000D_
        ? momentInSeconds.minutes().toString().padEnd(2, '0') : momentInSeconds.minutes().toString();_x000D_
    _x000D_
      const absolute = hours + minutes;_x000D_
      return absolute;_x000D_
    };_x000D_
    _x000D_
    console.log(parseIsoToAbsolute('PT1H30M'));

<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment-with-locales.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.6.3/umd/react.production.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.6.3/umd/react-dom.production.min.js"></script>

Based on ni-ko-o-kin's answer:

meassurements = ["years", "months", "weeks", "days", "hours", "minutes", "seconds"];
withPadding = (duration) => {
    var step = null;
    return meassurements.map((m) => duration[m]()).filter((n,i,a) => {
        var nonEmpty = Boolean(n);
        if (nonEmpty || step || i >= a.length - 2) {
            step = true;
        }
        return step;
    }).map((n) => ('0' + n).slice(-2)).join(':')
}

duration1 = moment.duration(1, 'seconds');
duration2 = moment.duration(7200, 'seconds');
duration3 = moment.duration(604800, 'seconds');

withPadding(duration1); // 00:01
withPadding(duration2); // 02:00:00
withPadding(duration3); // 01:07:00:00:00

if diff is a moment

var diff = moment(20111031) - moment(20111010);
var formated1 = moment(diff).format("hh:mm:ss");
console.log("format 1: "+formated1);

const duration = moment.duration(62, 'hours');
const n = 24 * 60 * 60 * 1000;
const days = Math.floor(duration / n);
const str = moment.utc(duration % n).format('H [h] mm [min] ss [s]');
console.log(`${days > 0 ? `${days} ${days == 1 ? 'day' : 'days'} ` : ''}${str}`);

Prints:

2 days 14 h 00 min 00 s

To format moment duration to string

var duration = moment.duration(86400000); //value in milliseconds
var hours = duration.hours();
var minutes = duration.minutes();
var seconds = duration.seconds();
var milliseconds = duration.milliseconds();

var date = moment().hours(hours).minutes(minutes).seconds(seconds).millisecond(milliseconds);
if (is12hr){
    return date.format("hh:mm:ss a");
}else{
    return date.format("HH:mm:ss");
}

My solution that does not involve any other library and it works with diff > 24h

var momentInSeconds = moment.duration(n,'seconds')
console.log(("0" + Math.floor(momentInSeconds.asHours())).slice(-2) + ':' + ("0" + momentInSeconds.minutes()).slice(-2) + ':' + ("0" + momentInSeconds.seconds()).slice(-2))

Use this line of code:

moment.utc(moment.duration(4500, "seconds").asMilliseconds()).format("HH:mm:ss")

moment.duration(x).format() has been deprecated. You can usemoment.utc(4366589).format("HH:mm:ss") to get the desired response.

console.log(moment.utc(4366589).format("HH:mm:ss"))

<script src="https://momentjs.com/downloads/moment.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

The best scenario for my particular use case was:

var duration = moment.duration("09:30"),
    formatted = moment.utc(duration.asMilliseconds()).format("HH:mm");

This improves upon @Wilson's answer since it does not access private internal property _data.

I needed to do this for work as a requirement to display the hours in this format. At first I tried this.

moment.utc(totalMilliseconds).format("HH:mm:ss")

However anything over 24 hours and the hours reset to 0. But the minutes and seconds were accurate. So I used only that part for the minutes and seconds.

var minutesSeconds = moment.utc(totalMilliseconds).format("mm:ss")

Now all I need is the total hours.

var hours = moment.duration(totalMilliseconds).asHours().toFixed()

And to get that format that we all want we just glue it together.

var formatted = hours + ":" + minutesSeconds

if totalMilliseconds is 894600000 this will return 249:30:00.

Hope that helped. Leave any questions in the comments. ;)

I use the classic format function in these cases:

var diff = moment(end).unix() - moment(start).unix();

//use unix function instead of difference
moment.unix(diff).format('hh:mm:ss')

This is a hack because the time diff is treated as a standard moment date, an early epoch date time, but it doesn't matter to our goal and you don't need any plugin

if you use angular add this to your filters:

.filter('durationFormat', function () {
    return function (value) {
        var days = Math.floor(value/86400000);
        value = value%86400000;
        var hours = Math.floor(value/3600000);
        value = value%3600000;
        var minutes = Math.floor(value/60000);
        value = value%60000;
        var seconds = Math.floor(value/1000);
        return (days? days + ' days ': '') + (hours? hours + ' hours ': '') + (minutes? minutes + ' minutes ': '') + (seconds? seconds + ' seconds ': '')
    }
})

usage example

<div> {{diff | durationFormat}} </div>

Use this plugin Moment Duration Format.

Example:

moment.duration(123, "minutes").format("h:mm");

If you use Angular >2, I made a Pipe inspired by @hai-alaluf answer.

import {Pipe, PipeTransform} from "@angular/core";

@Pipe({
  name: "duration",
})

export class DurationPipe implements PipeTransform {

  public transform(value: any, args?: any): any {

    // secs to ms
    value = value * 1000;
    const days = Math.floor(value / 86400000);
    value = value % 86400000;
    const hours = Math.floor(value / 3600000);
    value = value % 3600000;
    const minutes = Math.floor(value / 60000);
    value = value % 60000;
    const seconds = Math.floor(value / 1000);
    return (days ? days + " days " : "") +
      (hours ? hours + " hours " : "") +
      (minutes ? minutes + " minutes " : "") +
      (seconds ? seconds + " seconds " : "") +
      (!days && !hours && !minutes && !seconds ? 0 : "");
  }
}

How to correctly use moment.js durations? | Use moment.duration() in code

First you need to import moment and moment-duration-format.

import moment from 'moment';
import 'moment-duration-format';

Then, use duration function. Let us apply the above example: 28800 = 8 am.

moment.duration(28800, "seconds").format("h:mm a");

Well, you do not have above type error. Do you get a right value 8:00 am ? No…, the value you get is 8:00 a. Moment.js format is not working as it is supposed to.

The solution is to transform seconds to milliseconds and use UTC time.

moment.utc(moment.duration(value, 'seconds').asMilliseconds()).format('h:mm a')

All right we get 8:00 am now. If you want 8 am instead of 8:00 am for integral time, we need to do RegExp

const time = moment.utc(moment.duration(value, 'seconds').asMilliseconds()).format('h:mm a');
time.replace(/:00/g, '')

I use:

var duration = moment.duration("09:30");
var str = moment(duration._data).format("HH:mm");

And I get "09:30" in var str.

You don't need .format. Use durations like this:

const duration = moment.duration(83, 'seconds');
console.log(duration.minutes() + ':' +duration.seconds());
// output: 1:23

I found this solution here: https://github.com/moment/moment/issues/463

EDIT:

And with padding for seconds, minutes and hours:

const withPadding = (duration) => {
    if (duration.asDays() > 0) {
        return 'at least one day';
    } else {
        return [
            ('0' + duration.hours()).slice(-2),
            ('0' + duration.minutes()).slice(-2),
            ('0' + duration.seconds()).slice(-2),
        ].join(':')
    }
}

withPadding(moment.duration(83, 'seconds'))
// 00:01:23

withPadding(moment.duration(6048000, 'seconds'))
// at least one day

convert duration to ms and then to moment:

moment.utc(duration.as('milliseconds')).format('HH:mm:ss')

You can use numeral.js to format your duration:

numeral(your_duration.asSeconds()).format('00:00:00') // result: hh:mm:ss