JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<iframe id="iframe"></iframe>

JavaScript

var hour = (new Date()).getHours(); 
var iframe =  $('#iframe');
if (hour >= 24 && hour <=6) {
  iframe.attr('src','https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/482221002%3Fsecret_token%3Ds-ahwqc&color=%23577c5d&inverse=false&auto_play=true&show_user=true');   
} else {
  iframe.attr('src','https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/482220933%3Fsecret_token%3Ds-dEQ64&color=%23577c5d&inverse=true&auto_play=true&show_user=true');   
}