JSFiddle - React, Tailwind, and code Playground

JavaScript

var dd = new Date();
var d = dd.toString();
//var d= "(Pacific Standard Time (Mexico))";
alert(d);
var startOff= d.indexOf('(') + 1;
alert(startOff);
var endOff= d.lastIndexOf(')');
alert(startOff+ "  : " + endOff);

var str = d.substring(startOff , endOff);
alert(str);