Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

<p>Click the button to display the day of the week, according to UTC.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
    var d = new Date();
    var weekday = new Array(7);
    weekday[0] = "Sunday";
    weekday[1] = "Monday";
    weekday[2] = "Tuesday";
    weekday[3] = "Wednesday";
    weekday[4] = "Thursday";
    weekday[5] = "Friday";
    weekday[6] = "Saturday";

    var n = weekday[d.getUTCDay()];
    document.getElementById("demo").innerHTML = n;
}
</script>

<p><strong>Note:</strong> 0=Sunday, 1=Monday, etc.</p>

</body>
</html>