getMonth() in Javascript from format dd/mm/yyyy

Question

I have a date in format dd/mm/yyyy and when I try to use getMonth() I get the dd field. For example if I have "01/12/2019" it will take 01 as month instead of 12. Is there a way to get the month from this format?

This is my code:

var beginDate = document.getElementById("beginDate").value;
var month = new Date(beginDate).getMonth();

inside beginDate there's "01/10/2019" (October 1st 2019)

Show the code you're trying so we can understand how you're calling it — StudioTime, Oct 24 '19 at 09:20
`const month = beginDate.trim().split("/")[1];` where `trim` is not that really necessary — ambianBeing, Oct 24 '19 at 09:38

score 2 · Answer 1 · answered Oct 24 '19 at 09:27

It's better to use any external libraries like momentjs or datejs. Try this it may solve your problem now.

const date  = "01/12/2019";
const split = date.split('/');

console.log('day', split[0])
console.log('month', split[1])
console.log('year', split[2])

var date = moment('01/12/2019', 'DD/MM/YYYY');
console.log(date.month()+1);

<script src="//cdnjs.cloudflare.com/ajax/libs/moment.js/2.10.3/moment.min.js"></script>

Lucas Meine · Accepted Answer · 2019-10-24T09:34:22.163

1

You can use something like Moment.js

const beginDate = "22/05/2019"

const date = moment(beginDate, 'DD/MM/YYYY');

const month = date.format('M');

console.log(month)

//05

edited Oct 24 '19 at 09:34

answered Oct 24 '19 at 09:24

Lucas Meine

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can you please share the output as well. – aashir khan Oct 24 '19 at 09:25
1

Thank you, didn't know Moment.js, very helpful. – Otori Oct 24 '19 at 09:48
Glad to help :D – Lucas Meine Oct 24 '19 at 09:48

score 1 · Answer 3 · answered Oct 24 '19 at 09:49

1

Make it easy. You don't need external libraries:

var beginDate = "01/10/2019";
var timeZone = 'your time zone'; //en-GB etc...
var month = new Date(beginDate).toLocaleString(timeZone , {month: "2-digit"}); //month = 10

answered Oct 24 '19 at 09:49

Luca

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Saniya syed qureshi · Answer 4 · 2019-10-30T06:46:20.937

0

You can get months using getMonth() as shown below, But here 0=January, 1=February etc.

var date = "05/12/2019"
var d = new Date(date);
var n = d.getMonth();
console.log(n)

edited Oct 30 '19 at 06:46

answered Oct 24 '19 at 09:27

Saniya syed qureshi

3,053
3
16
22

score 0 · Answer 5 · answered Oct 24 '19 at 09:38

I don't think that you need some external library to do this task. You should use javascript date object to get it done easily, getMonth() returns month indexed from 0 to 11. Prefer javascript always instead of unnecessarily importing external js files for libraries

var beginDate = document.getElementById("beginDate").value;

let reg = /(\d\d)\/(\d\d)\/(\d+)/gi;
const[date,mon,year] = reg.exec(beginDate).splice(1);       
month = new Date(year,mon-1,date).getMonth(); // months are indexed from 0 to 11 for jan to dec
console.log(month); // 0 for jan and 11 for dec

score 0 · Answer 6 · answered Oct 24 '19 at 09:42

Month in javascript is 0 indexed that mean 0 represent January, So you need to add 1 to get the month correctly

function getMonth(dt) {
  let splitDt = dt.split('/');
  return new Date(`${splitDt[2]}-${splitDt[1]}-${splitDt[0]}`).getMonth() + 1;
}

console.log(getMonth("01/10/2019"))

1st oct

getMonth() in Javascript from format dd/mm/yyyy

6 Answers6