PHP

1) Getting Current Time in Javascript

The ISO 8601 date format can be utilized to convert the date on the browser side to a format that include timestamp information. Quoting from here:

Note that the “T” appears literally in the string, to indicate the beginning of the time element. Times are expressed in UTC (Coordinated Universal Time), with a special UTC designator (“Z”). Used in ATOM RSS feeds.

function fnISO() {
// Only works in Firefox using ECMAScript 5
var now = new Date().toISOString();
alert(now);
}

Result: 2009-08-06T23:36:31.390Z