javascript 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(")"));