jquery convert number to date?

alert(new Date(1273185387).toUTCString());

var myObj = $.parseJSON('{"date_created":"1273185387"}'),
    myDate = new Date(1000*myObj.date_created);

console.log(myDate.toString());
console.log(myDate.toLocaleString());
console.log(myDate.toUTCString());

http://jsfiddle.net/mattball/8gvkk/