JSFiddle - React, Tailwind, and code Playground

HTML

<p>Converting <span id="date">1822-01-01 00:00:00</span> to date:</p>

<p id="demo1"></p>
<p id="demo2"></p>

JavaScript

function myFunction() {
	  var date = document.getElementById("date").innerHTML;
    var d = new Date(date);
    var output = d.getDate() + "." + (d.getMonth()+1) + "." + d.getFullYear();
    output += ", " + ("0" + d.getHours()).slice(-2) + ":" + ("0" + d.getMinutes()).slice(-2);
    document.getElementById("demo1").innerHTML = "Custom: " + output;
    document.getElementById("demo2").innerHTML = "toLocaleString: " + d.toLocaleString();
}

myFunction();