CODEWITHSUNDEEP
javascriptnode.jsdate
Liyong Wang
Liyong Wang

Reputation: 31

new Date() behaves differently in different environment, why?

when I define the same date in chrome, it shows the expected result. but when I run it in node.js, the code is below:

var date = new Date(2015, 1, 1);
console.log(date); // it displays: 2015-01-31T16:00:00.000Z

My question is why not 2015-02-01?

Upvotes: 2

Views: 2619

Answers (2)

zmag
zmag

Reputation: 8241

It's timezone issue. In Chrome, printed date and time is adjusted by your local timezone information. But date in Node.js you printed, its string format is ISO String with no adjustment timezone value.

So, both new Date(2015, 1, 1) have the same value in Chrome and Node.js.

Try console.log(date.toLocaleDateString()). You would get 2015-2-1.

Upvotes: 4

Shem Alexis Chavez
Shem Alexis Chavez

Reputation: 474

You're just printing the date object 

var date = new Date(2015, 1, 1)
console.log(date);

For more in-depth explanation check:

https://www.w3schools.com/js/js_date_formats.asp

Also, if your goal is having this format 2015-02-01 check https://momentjs.com/. For your case:

(Using moment.js)

moment(new Date(2015, 1, 1)).format('YYYY-MM-DD') // "2015-02-01"

Upvotes: 0

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