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Time Zone Detector

Detect your device's time zone (IANA name), UTC offset and daylight saving status with a live clock.

Runs in your browser
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About the Time Zone Detector

See the time zone your device is set to — for example America/New_York — along with the current UTC offset and whether daylight saving time applies now. Handy for scheduling across regions and checking that your laptop switched zones after travel.

How to use it

  1. Open the page to see your zone and offset.

Good to know

  • This reflects your device setting, not your physical location or IP address.
  • Information is read by your browser on this page only. It is not sent to or stored by our servers.

Frequently asked questions

What is an IANA time zone?

A standard name like Europe/London that encodes the full history of offsets and DST rules for a region.

Why is my offset UTC−4 instead of −5?

You are probably in daylight saving time.

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