Free World Clock
World Clock shows the current time in the cities and time zones you add, with daylight saving rules from your browser's IANA time zone database and a 12- or 24-hour format. Its meeting planner lines up working hours across zones: click an hour to see that moment everywhere and copy a summary.
- Search:
- About 180 cities, all IANA zones
- Time zones:
- Browser's IANA database, with DST
- Format:
- 12- or 24-hour
- Price:
- Free
- Runs:
- Locally, in your browser
- Uploads:
- None: files never leave your device
- Account:
- Not needed
Quick answers
Does it handle daylight saving time?
Yes. Offsets come from your browser's time-zone database, which includes daylight saving rules for every zone and date.
Processed on your device: your files are never uploaded. How it works
Network activity in this tab
What this page has requested since you opened the site in this tab. An upload is any request that sends data: POST, PUT, PATCH or a request with a body.
No uploads: nothing has been sent from this page.
No network requests yet.
To see every request, open your browser's developer tools (Network tab).
How to use the World Clock
- Search for a city or time zone and add it; your local zone is there from the start.
- Reorder or remove clocks and switch between 12- and 24-hour format.
- In the meeting planner, pick a date and working hours, then click an hour to see that moment everywhere and copy a summary.
Credits & open source
Built from scratch on web standards. Thank you to the people who make these projects.
Web platform APIs used: Intl, localStorage, Clipboard API.
Full license texts: third-party notices · all credits
Frequently asked questions
Why can't I find my city?
The search covers popular cities and every IANA time zone name. If your city is missing, pick a nearby big city in the same zone.
Are my clocks saved?
Yes, your list and settings are saved in this browser only.