檢測你的時區和本地時間
Your browser exposes timezone info via the Intl.DateTimeFormat API and Date object, revealing your IANA timezone and UTC offset without permissions.
Yes. Your timezone narrows your location to a region. A mismatch between IP location and timezone can indicate VPN usage.
Daylight Saving Time adjusts clocks forward in warmer months. Your browser handles DST automatically. Not all regions observe it.