how to know the timezone browser code example
Example: get browser timezone
console.log(new Date().toTimeString().slice(9));
console.log(Intl.DateTimeFormat().resolvedOptions().timeZone);
console.log(new Date().getTimezoneOffset() / -60);
console.log(new Date().toTimeString().slice(9));
console.log(Intl.DateTimeFormat().resolvedOptions().timeZone);
console.log(new Date().getTimezoneOffset() / -60);