如何将GMT时间戳转换为Unix时间戳（javascript）

Question

I'm parsing an rss feed and each entry has a timestamp such as this: 2009-09-21T21:24:43+04:00 Is there any way to convert this date format to a unix timestamp with javascript?

I just want to be able to record the latest rss entry date, but I need to standardize the time to GMT time or Unix timestamp to do this.

Answer 1

As I met the same problem, the solution involving Google Closure Library would be:

var pattern = "yyyy-MM-ddTHH:mm:ssZZZZZ";
parser = goog.i18n.DateTimeParse(pattern);
var d = new Date();
parser.parse("2009-09-21T21:24:43+04:00", d);
unixTime = d.getTime();

Answer 2

The format appears to be ISO-8601. Assuming that is true, this blog provides a javascript solution to this.