Question

165

Calculate days to go until a particular date with momentjs

rated 0 times [ 172] [ 7] / answers: 1 / hits: 20104 / 9 Years ago, thu, april 16, 2015, 12:00:00

I want to count down the days until a particular event using momentjs but I'm getting an unexpected result.

With today's date being 17th April, and the event date being 14th May, I want the resulting number of days to be 27, however my code gives me a result of 57. What's wrong?

function daysRemaining() {

    var eventdate = moment([2015, 5, 14]);

    var todaysdate = moment();

    return eventdate.diff(todaysdate, 'days');

}

alert(daysRemaining());

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answered 9 Years ago kenyamelinad · Accepted Answer

When creating a moment object using an array, you have to take note that months, hours, minutes, seconds, and milliseconds are all zero indexed. Years and days of the month are 1 indexed. This is to mirror the native Date parameters.

Reference

So either change the month to 4 to reflect May or parse the date as an ISO 8601 string

function daysRemaining() {

    var eventdate = moment(2015-05-14);

    var todaysdate = moment();

    return eventdate.diff(todaysdate, 'days');

}

alert(daysRemaining());