World Clock
Live-updating clocks for multiple timezones. Add and remove cities to build your custom dashboard.
How to Use the World Clock
The world clock shows the current time in multiple cities and timezones. Add or remove timezones using the dropdown. All clocks update every second in real time.
Features
- Live updating — all clocks tick every second
- 30+ timezones — covers every major world region
- UTC offset — see each timezone's offset from UTC
- Add and remove — customize which timezones you track
Frequently Asked Questions
How accurate is the world clock?
The clock uses your device's system time and the browser's Intl API for timezone conversion. Accuracy depends on your device clock being correct.
Does it handle daylight saving time?
Yes. The Intl.DateTimeFormat API automatically applies DST rules for each timezone based on the current date.
Can I save my timezone selections?
Currently the selections reset when you refresh the page. The tool starts with six common timezones by default.
Why do some timezones show the same time?
Several timezone identifiers can share the same UTC offset. For example, Europe/Paris and Europe/Berlin are both UTC+1 (or UTC+2 during DST).
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