script.js

const hourEl = document.querySelector(".hour")
const minuteEl = document.querySelector(".minute")
const secondEl = document.querySelector(".second")
const timeEl = document.querySelector(".time")
const dateEl = document.querySelector(".date")
const toggle = document.querySelector(".toggle")

const days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
const months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];

toggle.addEventListener("click", (event) => {
    const html = document.querySelector("html")
    if (html.classList.contains("dark")) {
        html.classList.remove("dark")
        event.target.innerHTML = "Dark mode"
    } else{
        html.classList.add("dark")
        event.target.innerHTML = "Light mode"
    }
})

function setTime() {
    const time = new Date();
    const date = time.getDate();
    const month = time.getMonth();
    const day = time.getDay();
    const hours = time.getHours();
    const hoursForClock = hours > 12 ? hours % 12 : hours;
    const minutes = time.getMinutes();
    const seconds = time.getSeconds();
    const ampm = hours >= 12 ? "PM" : "AM"


    hourEl.style.transform = `translate(-50%, -100%) rotate(${scale(hoursForClock, 0, 12, 0, 360)}deg)`
    minuteEl.style.transform = `translate(-50%, -100%) rotate(${scale(minutes, 0, 60, 0, 360)}deg)`
    secondEl.style.transform = `translate(-50%, -100%) rotate(${scale(seconds, 0, 60, 0, 360)}deg)`

    
    timeEl.innerHTML = `${hoursForClock}:${minutes < 10 ? `0${minutes}` : minutes} ${ampm}`
    dateEl.innerHTML = `${days[day]}, ${months[month]} <span class="circle">${date}</span>`
}

const scale = (num, in_min, in_max, out_min, out_max) => {
    return (num - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}

setTime()

setInterval(setTime, 1000)