JSFiddle - React, Tailwind, and code Playground

HTML

<div data-countdown="2016/01/01"></div>
<div data-countdown="2017/01/01"></div>
<div data-countdown="2018/01/01"></div>
<div data-countdown="2019/01/01"></div>


<script src="http://cdn.rawgit.com/hilios/jQuery.countdown/2.0.4/dist/jquery.countdown.min.js"></script>
  <script src="http://anthonyterrien.com/js/jquery.knob.js"></script>

JavaScript

$('[data-countdown]').each(function() {
   var $this = $(this), finalDate = $(this).data('countdown');
   $this.countdown(finalDate, function(event) {
     $this.html(event.strftime('%D days %H:%M:%S'));
   });
 });