javascript how to get local timezone code example

Example 1: client timezone offset in JavaScript

var clientTimezoneOffset = new Date().getTimezoneOffset()/60;//offset in hours

Example 2: get browser timezone javascript

Intl.DateTimeFormat().resolvedOptions().timeZone

Example 3: how to see my timezone using js

document.getElementById("time").innerHTML = Date().slice(Date().indexOf("(")+1,Date().lastIndexOf(")"));