A hand per city
Each hand is a city and points at that city's local time right now. Two hands close together are in nearly the same zone; hands on opposite sides are twelve hours apart.
Timezone clock
Every time zone on one 24-hour dial. A hand per city points at its local hour, the shaded half is night and the ring is working hours, so you see who is at work, awake or asleep in one look.
Now
Drag round the dial or along the slider to plan ahead. Every hand moves together.
- New YorkTue, Nov 3, EST UTC−5, asleep
- LondonWed, Nov 4, GMT UTC+0, asleep
- BerlinWed, Nov 4, CET UTC+1, asleep
- MumbaiWed, Nov 4, IST UTC+5:30, working
- SingaporeWed, Nov 4, SGT UTC+8, working
- TokyoWed, Nov 4, JST UTC+9, working
- SydneyWed, Nov 4, AEDT UTC+11, working
Working hours 9:00–17:00, sleeping hours 22:00–6:00, local to each city.
How to read it
The face is one day. Midnight is at the bottom, noon at the top, and the hours run clockwise around the edge, like the sun through a day.
The shade is night
The shaded part of the dial is sleeping hours, 22:00 to 6:00 local. A hand in the shade is asleep, so don't call.
The ring is the working day
The ring inside the edge is working hours, 9:00 to 17:00. Drag round the dial until every hand you care about sits in the ring: that's your meeting.
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Frequently asked questions
Stel een vraagThe dial is one full day: midnight at the bottom, noon at the top, the 24 hours around the edge. Each hand is a city, pointing at that city's current local hour. Hands in the shaded part of the dial are in sleeping hours (22:00 to 6:00 local), hands inside the ring are in working hours (9:00 to 17:00). Your own zone is the coloured hand.
A 12-hour clock goes round twice a day, so two cities 12 hours apart would show the same hand. On a 24-hour dial every hour of the day has its own place, so all your cities fit on one face and the gaps between them are the time differences.
Drag round the dial, drag the slider or use its arrow keys to move every hand forward or back together, and watch for the moment when all the hands you care about sit inside the working ring. Then open the meeting planner for the exact overlap, or share a Cal.com booking link so each person picks a time in their own zone.
Yes, in your browser, and in the page's address: copy the URL to share your clock with someone else, or to open it on another device.