Parse a Python datetime string in Javascript

Question

I need to parse a Python-generated datetime string into a Javascript Date object. I went the simplest route:

In Python:

dstring = str(mydate)

example dstring = '2012-05-16 19:20:35.243710-04:00'

In Javascript (with datejs library):

d = new Date(dstring);

This gets me a correct date object in Chrome, but an "Invalid Date" error in Firefox and Safari (on Mac).

possible duplicate of javascript dates in IE, NAN - firefox & chrome ok — Falmarri
– Falmarri, Commented May 16, 2012 at 23:50

ubik · Accepted Answer · 2012-05-16 23:45:18Z

1

You need to parse the string into a JS Date. The Date constructor is not enough. Maybe you should consider using a library such as datejs:

http://www.datejs.com/

Datejs extends the Date object with useful methods such as:

Date.parse('Thu, 1 July 2004 22:30:00');

Needless to say that date/time formats are customizable.

answered May 16, 2012 at 23:45

ubik

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7 Comments

Yarin Over a year ago

as a matter of fact I am using datejs already- didn't even realize, I've updated my question. So the library itself isn't working in ffox/safari?..

ubik Over a year ago

But if you are invoking it as you say in your post, you are doing it wrong. You should do it as I show in my answer: d = Date.parse('...');

Yarin Over a year ago

Sorry Pedro I missed that- doing it now, but getting a null result

ubik Over a year ago

@Yarin, cause your date is in a format that datejs does not recognize. Try keeping only the first 19 chars of your date string (date_string.slice(0,19)) and it should work.

Yarin Over a year ago

But that loses timezone- there's got to be a way to parse ISO dates

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