JSFiddle - React, Tailwind, and code Playground

HTML

<div class="result"></div>

JavaScript

var currentTime = new Date('21/02/1991');
var Month = new Array("January", "February", "March", 
"April", "May", "June", "July", "August", "September", 
"October", "November", "December");
var Suffix=new Array("th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th");
var day = currentTime.getDate();
var month = currentTime.getMonth();
if (day % 100 >= 11 && day % 100 <= 13)
  today = day + "th";
else
  today = day + Suffix[day % 10];

$(".result").html(Month[month]+" "+ today);