<h1>Server Release in : <span id="countdown" class="timer"></span></h1>
<script>
var upgradeTime = 172801;
var seconds = upgradeTime;
var timerMilSec = window.localStorage.GetItem("date");

if(!lastDate || lastDate < Date.now().getTime()) {
  timerMilSec = Date.now().getTime()+upgradeTime;
}
function timer() {
  var difference =  timerMilSec - Date.now().getTime();
  var days = Math.floor(seconds / 24 / 60 / 60),
    hoursLeft = Math.floor((seconds) - (days * 86400)),
    hours = Math.floor(hoursLeft / 3600),
    minutesLeft = Math.floor((hoursLeft) - (hours * 3600)),
    minutes = Math.floor(minutesLeft / 60),
    remainingSeconds = seconds % 60;

  function pad(n) {
    return (n < 10 ? "0" + n : n);
  }
  document.getElementById('countdown').innerHTML = pad(days) + ":" + pad(hours) + ":" + pad(minutes) + ":" + pad(remainingSeconds);
  if (seconds == 0) {
    clearInterval(countdownTimer);
    document.getElementById('countdown').innerHTML = "Completed";
  } else {
    seconds--;
  }
}
</script>