function getdate (timestamp) {
  // http://kevin.vanzonneveld.net
  // +   original by: Paulo Freitas
  // +   input by: Alex
  // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
  // *     example 1: getdate(1055901520);
  // *     returns 1: {'seconds': 40, 'minutes': 58, 'hours': 21, 'mday': 17, 'wday': 2, 'mon': 6, 'year': 2003, 'yday': 167, 'weekday': 'Tuesday', 'month': 'June', '0': 1055901520}
  var _w = ['Sun', 'Mon', 'Tues', 'Wednes', 'Thurs', 'Fri', 'Satur'];
  var _m = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
  var d = ((typeof timestamp === 'undefined') ? new Date() : // Not provided
  (typeof timestamp === 'object') ? new Date(timestamp) : // Javascript Date()
  new Date(timestamp * 1000) // UNIX timestamp (auto-convert to int)
  );
  var w = d.getDay();
  var m = d.getMonth();
  var y = d.getFullYear();
  var r = {};

  r.seconds = d.getSeconds();
  r.minutes = d.getMinutes();
  r.hours = d.getHours();
  r.mday = d.getDate();
  r.wday = w;
  r.mon = m + 1;
  r.year = y;
  r.yday = Math.floor((d - (new Date(y, 0, 1))) / 86400000);
  r.weekday = _w[w] + 'day';
  r.month = _m[m];
  r['0'] = parseInt(d.getTime() / 1000, 10);

  return r;
}

getdate(1055901520);

{'seconds': 40, 'minutes': 58, 'hours': 21, 'mday': 17, 'wday': 2, 'mon': 6, 'year': 2003, 'yday': 167, 'weekday': 'Tuesday', 'month': 'June', '0': 1055901520}