var seasons = [
  "Chaos", "Discord", "Confusion",
  "Bureaucracy", "The Aftermath"
];
var weekday = [
  "Sweetmorn", "Boomtime", "Pungenday",
  "Prickle-Prickle", "Setting Orange"
];

var apostle = [
  "Mungday", "Mojoday", "Syaday",
  "Zaraday", "Maladay"
];

var holiday = [
  "Chaoflux", "Discoflux", "Confuflux",
  "Bureflux", "Afflux"
];


Date.prototype.isLeapYear = function() {
  var year = this.getFullYear();
  if( (year & 3) !== 0 ) { return false; }
  return ((year % 100) !== 0 || (year % 400) === 0);
};