Javascript Data Type How to - Calculate number of days that occur between two Dates








Question

We would like to know how to calculate number of days that occur between two Dates.

Answer


<!DOCTYPE html>
<html>
<body>
<script type='text/javascript'>
    var d1 = new Date('June 26th 2012 11:05 PM'.replace('th',''));
    var d2 = new Date('June 27th 2012 12:15 AM'.replace('th',''));
    d1.setHours(0,0,0,0);<!--  w ww  .ja  va 2  s.  c  o  m-->
    d2.setHours(0,0,0,0);
    var diff = Math.ceil((d2 - d1) / 86400000) + 1;
    document.writeln(diff);
</script>

</body>
</html>

The code above is rendered as follows: