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hi could you please tell me how to find difference of dates using moments js? here is my code

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secondDate "2019-12-01"  // formate YYYY-MM-DD;
var day = moment().format('YYYY-MM-DD');
// difference of secondDate - date
alert('day'+secondDate - day)

Can we calculate the difference of years between two dates

expected output

3

hi could you please tell me how to find difference of dates using moments js? here is my code

https://jsfiddle/FLhpq/6082/

secondDate "2019-12-01"  // formate YYYY-MM-DD;
var day = moment().format('YYYY-MM-DD');
// difference of secondDate - date
alert('day'+secondDate - day)

Can we calculate the difference of years between two dates

expected output

3

  • javascript
  • jquery
  • momentjs
Share Improve this question edited Sep 14, 2016 at 10:09 user944513 asked Sep 14, 2016 at 10:06 user944513user944513 12.7k52 gold badges185 silver badges348 bronze badges 3
  • there is a method called diff() – Satpal Commented Sep 14, 2016 at 10:08
  • I need differnce in year as example it should give 3 – user944513 Commented Sep 14, 2016 at 10:08
  • Possible duplicate of JavaScript : How to Calculate number of days between two dates using javascript – Rajesh Commented Sep 14, 2016 at 10:14
Add a ment  | 

4 Answers 4

Reset to default 6

You can leverage on various methods i.e. diff(), asYears()

var firstDate = moment("2013-12-01", 'YYYY-MM-DD'); //Create date using string-format constructor
var secondDate = moment("2016-12-01", 'YYYY-MM-DD');
var duration = moment.duration(secondDate.diff(firstDate));
var years = duration.asYears();
console.log(years)
console.log(Math.round(years))
<script src="https://cdnjs.cloudflare./ajax/libs/moment.js/2.5.1/moment.min.js"></script>

var a = moment([2015, 11, 29]);
var b = moment([2007, 06, 27]);

var years = a.diff(b, 'year');

console.log(years + ' years);

<html>
<head>
    <script src="https://cdnjs.cloudflare./ajax/libs/moment.js/2.9.0/moment.js"></script>
    <script>
        var a = moment("2016-11-04","YYYY-MM-DD");
        var b = moment("2000-11-04","YYYY-MM-DD");
        alert(a.diff(b, 'years')+" Year");
    </script>
</head>


let firstDate = moment("11/07/2023","DD/MM/YYYY")
let today = moment(new Date());
let diff1 = firstDate.diff(today, 'days'); //for days
let diffYears = firstDate.diff(today, 'years'); //for years
console.log(diff1). //1

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