Countdown clock for psychogate.com

countdown.js

$(function() {
  function getCurrentTime() {
    var now = new Date();
    var nowInUTC = new Date(now.getUTCFullYear(), now.getUTCMonth(), now.getUTCDate(),  now.getUTCHours(), now.getUTCMinutes(), now.getUTCSeconds());
    var nowInPacific = new Date(nowInUTC - 7*60*60*1000);
    return nowInPacific;
  }

  function getNextStartTimeAfter(time) {
    var startTimes = [
      new Date(2011, 9, 1, 6, 0, 0, 0),
      new Date(2011, 9, 29, 6, 0, 0, 0),
      new Date(2011, 9, 1, 6, 0, 0, 0),
      new Date(2011, 10, 12, 6, 0, 0, 0),
      new Date(2011, 10, 26, 6, 0, 0, 0)
    ];
    for (var i in startTimes) {
      startTime = startTimes[i];
      if (startTime > time) {
        return startTime;
      }
    }
  }

  function startCountdown() {
    var now = getCurrentTime();
    var timeUntilNextPsychogate = getNextStartTimeAfter(now) - now;
    setInterval(function() {
      displayTime(timeUntilNextPsychogate);
      timeUntilNextPsychogate -= 1000;
    }, 1000);
  }
  var countdownDiv = $('#countdown');
  
  var secondInMillis = 1000;
  var minuteInMillis = 60*secondInMillis;
  var hourInMillis = 60*minuteInMillis;
  var dayInMillis = 24*hourInMillis;
  function displayTime(time) {
    var days = Math.floor(time / dayInMillis);
    time -= days*dayInMillis;
    var hours = Math.floor(time / hourInMillis);
    time -= hours*hourInMillis;
    var minutes = Math.floor(time / minuteInMillis);
    time -= minutes*minuteInMillis;
    var seconds = Math.floor(time / secondInMillis);
    countdownDiv.text(
        days + ':' +
        zeroPad(hours) + ':' +
        zeroPad(minutes) + ':' +
        zeroPad(seconds));
  }

  function zeroPad(x) {
    return (x.toString().length < 2) ? '0'+x : x
  }
  startCountdown();
});