World Clock
See the time in several cities with offsets.
🌍World Clock
All processing happens locallyWhat this tool does
World Clock is a multi-city time zone comparison, all calculations use your device clock and local time zone, refreshed instantly with no network lookup.
The usual pitfall in remote collaboration is daylight saving. The tool uses proper time zone identifiers so changes are reflected automatically.
How to use it
- Paste or type your content into the input field at the top, or press the sample button to load demo data.
- Adjust the options below the input, such as output format, separators, letter case or precision.
- Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
- When the result looks right, use the copy button in the corner, or download it as a local file.
Tips and notes
Clean up stray spaces and line breaks before pasting for more accurate results.
FAQ
Yes. Rules are applied per zone, so the New York to Beijing gap changes from 13 to 12 hours during DST.
The list covers major hubs for typical collaboration needs.
Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.
No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.
Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.
Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.