World Clock

See the current time in multiple time zones at a glance.

How to use

  1. The current time in your local time zone is displayed as soon as the page loads — synced with your device clock.
  2. Add other time zones to compare — see what time it is right now in New York, London, Tokyo or any other city.
  3. Use it to schedule calls across time zones or check if a business in another country is open.

About this tool

Shows the current time in your time zone and lets you compare it with multiple other zones at a glance. The clock is driven by your device's system clock and updates every second.

Time zones are identified by their IANA name (America/Sao_Paulo, Europe/London, Asia/Tokyo) and the display automatically handles daylight saving time transitions. The offset shown is always the current one — not a fixed GMT+X.

The accuracy depends on your device clock. If your computer or phone is out of sync, the time shown here will be too. For millisecond-accurate time, use an NTP synchronisation tool on your operating system.

Frequently asked questions

Does my data leave my browser?

No. Everything runs locally in JavaScript on your device — nothing is transmitted or stored.

Is it free?

Yes. The page reads your device clock and displays it in real time — no signup, no server sync, works offline once loaded.

Does the tool work offline?

Once the page loads, yes — all processing happens in JavaScript on your device, with no server calls.

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