Get a UNIX timestamp with JavascriptGet a UNIX timestamp with Javascript

Posted May 12th, 2009 in Javascript (Updated February 26th, 2011)

The Javascript Date object has a number of functions for working with dates and times. The getTime() method returns the millisecond representation of the Date object and this post shows how to convert this to a UNIX timestamp.

To convert the current date and time to a UNIX timestamp do the following:

var ts = Math.round((new Date()).getTime() / 1000);

getTime() returns milliseconds from the UNIX epoch, so divide it by 1000 to get the seconds representation. It is rounded using Math.round() to make it a whole number. The "ts" variable now has the UNIX timestamp for the current date and time relevent to the user's web browser.

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