JSFiddle - React, Tailwind, and code Playground

JavaScript

var start_date = '16.11.2016 09:00';
var finish_date = '16.11.2016 21:00';

var date1 = start_date.split(' ')[0].split('.');
var time1 = start_date.split(' ')[1];

var date2 = finish_date.split(' ')[0].split('.');
var time2 = finish_date.split(' ')[1];

var startDate = Date.parse(date1[2]+'-'+date1[1]+'-'+date1[0]+'T'+time1);
var endDate = Date.parse(date2[2]+'-'+date2[1]+'-'+date2[0]+'T'+time2);

console.log(startDate > endDate, startDate < endDate);