JSFiddle - React, Tailwind, and code Playground

HTML

<div id="t5am"></div>

JavaScript

function t5am() {
// Set the date we're counting down to
// Year, Month ( 0 for January ), Day, Hour, Minute, Second, , Milliseconds
//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
//::::::::::::                                       ::::::::::::
//::::::::::::              #1                       ::::::::::::
//::::::::::::                                       ::::::::::::
//:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
//                                   (AAAA,MM,DD,HH,mm,S));
var countDownDate = new Date(Date.UTC(2020,05,27,20,20,0));

// Update the count down every 1 second
var x = setInterval(function() {

    // Get todays date and time
    var now = new Date().getTime();
    
    const twoHours = new Date();
    twoHours.setHours( twoHours.getHours() + 2 );
    var two = twoHours.getTime()
    
    
    // Find the distance between now an the count down date
    // GMT/UTC Adjustment at the end of the function. 0 = GMT/UTC+0; 1 = GMT/UTC+1.
    var distance = countDownDate - now - (3600000 * 1);
    
    //Results div
    var result = document.getElementById("t5am");
    
    
    // Time calculations for days, hours, minutes and seconds
    var days = Math.floor(distance / (1000 * 60 * 60 * 24));
    var hours = Math.floor((distance % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
    var minutes = Math.floor((distance % (1000 * 60 * 60)) / (1000 * 60));
    var seconds = Math.floor((distance % (1000 * 60)) / 1000);
    
    // Output the result in an element with id="demo"
    document.getElementById("t5am").innerHTML = days + "<span>d</span> " + hours + "<span>h</span> "
    + minutes + "<span>m</span> " + seconds + "<span>s</span><br />";
    
    
    // If the count down is over, write some text 
    if (distance < 0) {
      result.textContent = "Started";
    } else if (distance + twoHours < 0) {
      result.textContent = "Ended";
    }
}, 1000);
}
t5am()