Epoch Date Conversion
by meetravi
HTML
<script src="http://stevenlevithan.com/assets/misc/date.format.js"></script>
JavaScript
var dateVal ="/Date(1342709595000)/";
var utcSeconds = dateVal.match(/\d+(,\d+)?/)[0];
alert(utcSeconds);
//As per the following link
//http://www.epochconverter.com/programming/#javascript
var myDate = new Date( utcSeconds *1000);
document.write(myDate.toGMTString()+"<br>"+myDate.toLocaleString())