World Clock
Compare the current time in cities around the world at a glance. Each card shows the local time, date, day or night, and how far ahead or behind your own time zone it is.
🔒 Runs in your browser. Nothing is uploaded.
Your time zone
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Daylight saving time is applied automatically. Your city list is saved in this browser.
How to use
- Your own time zone is shown at the top, detected from your browser.
- Pick a city from "Add a city" to add it to the list.
- Remove a city with the × button, or restore the default list.
- Read "ahead" or "behind" to see the time difference, and Tomorrow/Yesterday when the date differs.
Examples
Calling family abroad
Check that it is daytime before you call relatives in another country.
International meetings
Find a time that works for teammates in Seoul, London and New York.
Travel and stock markets
Track the time at your destination or when overseas markets open.
Frequently asked questions
Is daylight saving time included?
Yes. Times come from the time zone database built into your browser, so daylight saving changes are applied automatically for every city.
How accurate are the times?
The clock syncs with a server when the page opens, so it stays accurate even if your device clock is a little off.
Is my city list saved?
Yes, in this browser only. Nothing is sent to a server.