JSFiddle - React, Tailwind, and code Playground

HTML

<div id="announcements">&nbsp;</div>

JavaScript

$(document).ready(function(){
var todaysDate = new Date();
var weekday = todaysDate.getDay();
var universalhour = todaysDate.getUTCHours();

if (weekday >= 0) {
    if (weekday <= 4) {
        if (universalhour >= 14) {
            if (universalhour < 23) {
                $('div#announcements').append('<br />Test');
            }
        }
    }
}
if (weekday = 5) {
    if (universalhour >= 14) {
        if (universalhour < 20) {
            $('div#announcements').append('<br />Text');
        }
    }
}
});