The JavaScript date getHours() method is used to return the integer value between 0 and 23 that represents the hours based on the local time.
Syntax:
dateObj.getHours()
Return:
An integer value between 0 and 23.
Example:
<!DOCTYPE html>
<html>
<body>
<script>
var d = new Date("March 16, 2018 13:34:45");
var n = d.getHours();
document.writeln(n)
</script>
</body>
</html>