World Clock
Live clocks across your chosen cities.Date & Time ToolsWorld Clock
Live clocks across your chosen cities, updating every second with correct daylight saving.
About this tool
Add the zones you care about and watch them tick together, each with correct daylight saving — a meeting-planner glanceable board.
How to use the World Clock tool
- Add zones. Pick from the dropdown; add as many as you need.
- Watch. Every clock updates each second.
- Remove freely. The X button removes a zone; the set persists for the page visit.
Supported formats
Input
- Plain text or file input
Output
- Converted or analysed output
Inputs are validated before anything is processed. Invalid values and unsupported files are rejected with a clear error instead of failing silently.
Frequently asked questions
Does it use my device clock?
The instant comes from your device; display zones come from the IANA database.
Are half-hour zones shown?
Yes, correctly offset.
Is the set remembered between visits?
No; the selection lives for the page session.
Privacy
Everything you enter stays in this browser tab. There is no upload endpoint for tool inputs, no account, and no server-side copy of your text or files. Results are produced locally and disappear when you close the page.
No account is required and no file is ever uploaded. See the privacy policy for details about analytics and the limited data this site stores.
Known limitations
- Fixed to a curated zone list; no city search in this release.
Related tools
Other free tools from the same collection.