JSFiddle - React, Tailwind, and code Playground

JavaScript

var m_names =["Jan", "Feb", "Mar", 
"Apr", "May", "Jun", "Jul", "Aug", "Sep", 
"Oct", "Nov", "Dec"];

var d = new Date();
var spl = d.toString().split(' ');
var mnth = parseInt(m_names.indexOf(spl[1])+1).toString();
mnth = (mnth.length == 1) ? '0'+mnth : mnth
				//  yyyy       mm      dd       hh:mm:ss 
var data = spl[3]+'-'+mnth+'-'+spl[2]+' '+spl[4]
alert(data)