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World clock

This world clock shows the current time in the cities you choose, side by side, as analog or digital clocks. Each card tells you the date there, whether it is morning, evening or night, and how many hours it is ahead of or behind you.

Free and private. Everything runs in your browser, nothing is uploaded.

How it works

  1. Add your citiesType a city or time zone, for example Mumbai, Chicago or Berlin, and press Enter.
  2. Choose the lookPick analog or digital clocks, 12 or 24 hour time, and whether to show seconds.
  3. Keep it open or share itGo full screen on a spare monitor, or copy the link so your team sees the same cities.

For people who work across time zones

A distributed team, a client on another continent, family abroad: the question is always the same, is it a good moment to call? Each card answers it in one look. Besides the time and date, it says whether it is morning, afternoon, evening or night in that city, and night cards turn dark so they stand out. The line below tells you how far ahead or behind your own time the city is, and adds tomorrow or yesterday when the date is different from yours.

The parts of the day follow the local clock: night until 5:00, morning until 12:00, afternoon until 17:00, evening until 21:00. They are not based on sunrise and sunset, which change with the season and the latitude.

Daylight saving time is handled for you

The offsets come from the time zone database built into your browser, the same one your operating system uses. When New York or Sydney changes its clocks, the cards change with it, and the difference to your city is recalculated on the spot. This matters in March, April, October and November, when the gap between Europe and North America is one hour smaller for a few weeks because the two regions switch on different dates.

If a city you look for is not found, type the time zone name instead, for example America/Denver, or a larger city in the same zone.

Your list stays on your device

The cities, the clock style and the 12 or 24 hour setting are saved in your browser, so the page opens the same way next time. Share with these settings copies a link that contains the list after the # sign; a colleague who opens it sees your cities without losing their own saved list until they change something. Nothing is sent to a server.

Frequently asked questions

How do I add a city that is not in the list?

Type a nearby large city in the same time zone or the time zone name, such as Asia/Kolkata or America/Phoenix. Common city names like Mumbai, San Francisco or Dubai are recognised directly.

Does the world clock adjust for daylight saving time?

Yes. Every card uses your browser's time zone rules, so summer and winter time changes are applied automatically for each city on its own date.

How accurate is the time?

The clocks follow your device clock. Phones and computers that set their time automatically are usually accurate to well under a second.

Can I show the clocks on a TV or second screen?

Yes. Press Full screen, or double click the clock area. The screen stays on while the full screen view is open.

Is my city list uploaded anywhere?

No. It is stored only in your browser. The share link keeps the list after the # sign, which browsers never send to a server.