<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>