JSFiddle - React, Tailwind, and code Playground

JavaScript

var datetime = ("2000-01-01 01:00:00 UTC");
var d1 = new Date(datetime);
var minute = d1.getUTCMinutes();
var hour = d1.getUTCHours();
if(minute > 0)  
  alert(hour+"."+minute);
else
  alert(hour);