Links

clock

SCRIPT
HTML
CSS
const secondHand = document.querySelector('.second-hand');
const minsHand = document.querySelector('.min-hand');
const hourHand = document.querySelector('.hour-hand');
​
function setDate() {
​
​
const now = new Date();
const seconds = now.getSeconds();
const secondsDegrees = ((seconds / 60) * 360) + 90;
secondHand.style.transform = `rotate(${secondsDegrees}deg)`; // 초
​
const mins = now.getMinutes();
const minsDegrees = ((mins / 60) * 360) + ((seconds / 60) * 6) + 90; // 분
minsHand.style.transform = `rotate(${minsDegrees}deg)`;
​
const hour = now.getHours();
const hourDegrees = ((hour / 12) * 360) + ((mins / 60) * 30) + 90; // 시
hourHand.style.transform = `rotate(${hourDegrees}deg)`;
​
const hands = document.querySelectorAll('.hand');
if (seconds === 0) {
hands.forEach(hand => hand.style.transitionDuration = '0s');
} else {
hands.forEach(hand => hand.style.transitionDuration = '0.05s');
}
}
​
setInterval(setDate, 1000);
​
<div class="clock">
<div class="clock-face">
<div class="hand hour-hand"></div>
<div class="hand min-hand"></div>
<div class="hand second-hand"></div>
</div>
</div>
html {
background: #018DED url('bg.jpg');
background-size: cover;
font-family: 'helvetica neue';
text-align: center;
font-size: 10px;
}
​
body {
margin: 0;
font-size: 2rem;
display: flex;
flex: 1;
min-height: 100vh;
align-items: center;
}
​
.clock {
width: 30rem;
height: 30rem;
border: 20px solid white;
border-radius: 50%;
margin: 50px auto;
position: relative;
padding: 2rem;
box-shadow:
0 0 0 4px rgba(0, 0, 0, 0.1),
inset 0 0 0 3px #EFEFEF,
inset 0 0 10px black,
0 0 10px rgba(0, 0, 0, 0.2);
}
​
.clock-face {
position: relative;
width: 100%;
height: 100%;
transform: translateY(-3px);
/* account for the height of the clock hands */
}
​
.hand {
width: 50%;
position: absolute;
top: 50%;
transform-origin: 100%;
transform: rotate(90deg);
transition: all 0.05s;
transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
}
​
.hour-hand {
background-color: #c9bf62;
height: 6px;
}
​
.min-hand {
background-color: #499da0;
height: 4px;
}
​
.second-hand {
background-color: #c76b20;
height: 2px;
}