gistfile1.js

  var humanize_time = function(time){
    return time > 9 ? time : "0"+time;
  }

  var milliseconds =  17916;
  date = new Date(milliseconds);
  humanize_time(date.getUTCMinutes()) + ':' + humanize_time(date.getUTCSeconds());

  nowadays: 00:17
  expected: 00:17

  ------------------------------------------------------------------------

  milliseconds = 509701

  date = new Date(milliseconds);
  humanize_time(date.getUTCMinutes()) + ':' + humanize_time(date.getUTCSeconds());

  nowadays: 08:29
  expected: 08:29

  ------------------------------------------------------------------------

  milliseconds = 727335

  date = new Date(milliseconds);
  humanize_time(date.getUTCMinutes()) + ':' + humanize_time(date.getUTCSeconds());


  nowadays: 12:07
  expected: 12:07