JSFiddle - React, Tailwind, and code Playground
HTML
<p id="test">
---
</p>JavaScript
var doo = new Date("2011-09-24");
//var timezoneoffset = 240; // gmt-5, == 240 (minutes)
var timezoneoffset = -120; // gmt+2, == -120 (minutes)
$('#test').text( new Date( doo.getTime() + Math.abs(doo.getTimezoneOffset()*60000) ) );