Convert entered date into UTC in JavaScript based on browser location

Question

My app will be run in Mexico and Australia.

When a user selects a date I format it as; "Friday 17 August 2012"

Now, how do I convert that string value into a UTC date?

So far I have this;

var enteredDate = $('.CreateDateRange').val() + " 07:00:00";
var thisDate = new Date(enteredDate);
var utcDate = new Date(thisDate.getUTCFullYear(), thisDate.getUTCMonth(), thisDate.getUTCDay(), thisDate.getUTCHours(), 0, 0);

But on the above date the returned date is; 2012 7 4 21:0:0 which is not correct.

From Australia I expect the UTC date to be something like "2012 8 17" or "2012 8 16" depending on time of day.

Did you try toUTCString ? Please try enteredDate.toString() and enteredDate.toUTCString() and check the timezone offsets. See the edited answer. — Diode
– Diode, Commented Aug 17, 2012 at 4:48
Don't use the browser location; just follow its time zone. Someone's computer might be set to his home time zone when traveling. — Mechanical snail
– Mechanical snail, Commented Aug 17, 2012 at 5:32

Diode · Accepted Answer · 2012-08-17 04:45:23Z

1

Find the UTC specific methods in Date object

https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Date

getUTCDate, getUTCDay, getUTCFullYear, getUTCHours, getUTCMilliseconds, getUTCMinutes, getUTCMonth, getUTCSeconds, toUTCString

EDIT:

toUTCString will give you what you need

var enteredDate = $('.CreateDateRange').val() + " 07:00:00";
var thisDate = new Date(enteredDate);
console.log(thisDate.toUTCString());

edited Aug 17, 2012 at 4:45

answered Aug 17, 2012 at 4:19

Diode

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