JSFiddle - React, Tailwind, and code Playground

HTML

<div id="showTime"></div>

JavaScript

showDiff();

function showDiff(){
    var date1 = new Date("2013/01/18 06:59:00");   
    var date2 = new Date();
    //Customise date2 for your required future time
    
    var diff = (date2 - date1)/1000;
    var diff = Math.abs(Math.floor(diff));
    
    var years = Math.floor(diff/(365*24*60*60));
    var leftSec = diff - years * 365*24*60*60;
  
    var month = Math.floor(leftSec/((365/12)*24*60*60));
    var leftSec = leftSec - month * (365/12)*24*60*60;    
    
    var days = Math.floor(leftSec/(24*60*60));
    var leftSec = leftSec - days * 24*60*60;
    
    var hrs = Math.floor(leftSec/(60*60));
    var leftSec = leftSec - hrs * 60*60;
      
    var min = Math.floor(leftSec/(60));
    var leftSec = leftSec - min * 60;
    
    
 
    
    document.getElementById("showTime").innerHTML = "You have " + years + " years "+ month + " month " + days + " days " + hrs + " hours " + min + " minutes and " + leftSec + " seconds the life time has passed.";
    
setTimeout(showDiff,1000);
}