<script>
var sh = document.querySelector('.secondHand');
var mh = document.querySelector('.minuteHand');
var hh = document.querySelector('.hourHand');
var angS;
var angM;
var angH;
function startTime() {
const today = new Date();
let h = today.getHours();
let m = today.getMinutes();
let s = today.getSeconds();
angS = 6 * s;
angM = 6 * m + s / 10;
angH = h%12 * 30 + angM / 12;
sh.style.transform = 'rotate(' + angS + 'deg)';
mh.style.transform = 'rotate(' + angM + 'deg)';
hh.style.transform = 'rotate(' + angH + 'deg)';
setTimeout(startTime, 1000);
}
startTime();
</script>