VirtualGuys,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
</style>
<script>
const intl = new Intl.DateTimeFormat("ru", {
hour: "2-digit",
minute: "2-digit"
});
const timeEveryOneMinute = () => {
const data = new Date(),
time = intl.format(data);
maind.innerHTML = `Текущее время: ${time}`;
setTimeout(timeEveryOneMinute, 1000 * 60);
}
addEventListener('DOMContentLoaded', timeEveryOneMinute);
</script>
</head>
<body>
<div id="maind"></div>
</body>
</html>