World Clock
See the current time in Seoul, New York, London, and other major cities live
When you're scheduling a call with an overseas team or wondering what time it is where you're headed, this tool shows the current time in multiple cities on one screen. Search by city name or time zone to jump straight to the ones you care about. Everything is calculated instantly in your browser — no information is sent to a server.
도구를 불러오는 중…
🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
How to use
- Open the page and the current time in Seoul, Tokyo, New York, London, Paris, Sydney, and Los Angeles appears automatically.
- Type a city name or time zone into the search box (for example, Seoul or London) to filter down to just what you need.
- Each card shows the GMT offset, the current time in hours, minutes, and seconds, plus the day of the week and date.
- The clocks tick every second, so you can leave the page open without refreshing.
FAQ
- Do the clocks update in real time?
- Yes, they refresh automatically every second so you're always looking at the current time.
- Is daylight saving time accounted for?
- Yes. The tool uses your browser's internationalization API, so each region's daylight saving rules are automatically reflected in the GMT offset and the time shown.
- Can I add other cities?
- Right now the tool covers a preset list of major cities — Seoul, Tokyo, New York, London, Paris, Sydney, and Los Angeles — and the search box filters among those.