W3Schools Tryit Editor

<!DOCTYPE html>
<html>
<head>
<title>W3.CSS Template</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Raleway">
<style>
body,h1 {font-family: "Raleway", sans-serif}
body, html {height: 100%}
.bgimg {
  background-image: url('/w3images/forestbridge.jpg');
  min-height: 100%;
  background-position: center;
  background-size: cover;
}
</style>
</head>
<body>

<div class="bgimg w3-display-container w3-animate-opacity w3-text-white">
  <div class="w3-display-middle">
    <h1 class="w3-jumbo w3-animate-top">WEEKEND</h1>
    <hr class="w3-border-grey" style="margin:auto;width:40%">
    <p id="weekend_coundown" class="w3-large w3-center">35 days left</p>
  </div>
  <div class="w3-display-bottomleft w3-padding-large">
    Powered by <a href="https://www.w3schools.com/w3css/default.asp" target="_blank">w3.css</a>
  </div>
</div>

var currentHour = now.getHours();
    var hoursToSaturday = 0;

// If it's not Saturday or if it's Saturday but before 12:00 (noon),
    // consider the remaining hours to Saturday noon
    if (daysToSaturday > 0 || (daysToSaturday === 0 && currentHour < 12)) {
        hoursToSaturday = (24 - currentHour + 12) % 24;
    }

var days = daysToSaturday > 0 ? daysToSaturday + " day(s), " : "";
    var hours = hoursToSaturday > 0 ? hoursToSaturday + " hour(s)" : "";
    
    // if it's Saturday and past 12:00 (noon), the countdown should return "The Weekend has landed".
    if (daysToSaturday === 0 && currentHour >= 12) {
        document.getElementById('weekend_coundown').innerText = "The Weekend has landed";
    } else {
        document.getElementById('weekend_coundown').innerText = days + hours;
    }
}

countdownToSaturday();
setInterval(countdownToSaturday, 1000 * 60 * 60); // update the countdown every hour
</script>

</body>
</html>

​x
 
<!DOCTYPE html><html><head><title>W3.CSS Template</title><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1"><link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css"><link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Raleway"><style>body,h1 {font-family: "Raleway", sans-serif}body, html {height: 100%}.bgimg {  background-image: url('/w3images/forestbridge.jpg');  min-height: 100%;  background-position: center;  background-size: cover;}</style></head><body>​<div class="bgimg w3-display-container w3-animate-opacity w3-text-white">  <div class="w3-display-middle">    <h1 class="w3-jumbo w3-animate-top">WEEKEND</h1>    <hr class="w3-border-grey" style="margin:auto;width:40%">    <p id="weekend_coundown" class="w3-large w3-center">35 days left</p>  </div>  <div class="w3-display-bottomleft w3-padding-large">    Powered by <a href="https://www.w3schools.com/w3css/default.asp" target="_blank">w3.css</a>  </div></div>​<script>function countdownToSaturday() {    var now = new Date();    var dayOfWeek = now.getDay(); //0-6 where 0 is Sunday, 6 is Saturday    var daysToSaturday = (dayOfWeek < 6) ? (6 - dayOfWeek) : 0; // if it's already Saturday, no days remain​    var currentHour = now.getHours();    var hoursToSaturday = 0;​    // If it's not Saturday or if it's Saturday but before 12:00 (noon),    // consider the remaining hours to Saturday noon    if (daysToSaturday > 0 || (daysToSaturday === 0 && currentHour < 12)) {        hoursToSaturday = (24 - currentHour + 12) % 24;