JSFiddle - React, Tailwind, and code Playground
by naokiota
HTML
<object id="show_me" />
JavaScript
var d = new Date();
var wday = d.getDay();
var h = d.getHours();
if((wday == 0) && (21 < h ) && (h < 24)){
$("#show_me").show();
}else{
$("#show_me").hide();
}