Understands natural language
Write “Friday at 4pm New York in London” just as you would in a message.
The world’s clearest clock
WorldTime
The right time, anywhere.
No timezone maths. Ask naturally, paste a time, or compare cities. We’ll give you one clear answer.
Outside usual working hours
23:00GMT+9
Thursday, 6 August 2026 in Tokyo
8 hours ahead of London
Live around the worldDaylight shown in the signal colour
One question. One answer.
Built for the moment before you hit send.
Respects clock changes
Future conversions use the correct local offset for that date.
Checks the hour
See immediately whether your proposed time lands inside a normal working day.
Ready to share
Copy a clear dual-time answer or open a dedicated converter.
Need the whole picture?
Compare every working day on one timeline.
Move from a quick answer to the visual meeting planner when several cities, daylight and fairness all matter.
Beyond time zones
Everything that keeps, shapes and marks time.
Follow the Sun and Moon, count down to celestial events, or understand the standards and stories behind the clock.
Sun · Moon · Sky
Your local sky clock
Sunrise, sunset, solar noon, moon phase and live countdowns to eclipses and comet-linked meteor showers.
Explore astronomical time →Atomic · Civil · HistoricWhy time works this way
Atomic clocks, UTC and GMT, US zone abbreviations, leap seconds, calendars and the reason a day has 24 hours.
Read the time guides →Your place on the absurdly long timeline
So, how much time have you got?
We cannot predict your lifespan. Frankly, neither can the internet. But we can show the time you have lived and use an 80th birthday as a clearly labelled measuring stick.
One second
9,192,631,770
Oscillations of caesium-133. A second is surprisingly busy.
Your scale
—
Weeks so far. Enough Mondays to deserve some credit.
About 5 billion years
Red giant
The Sun will expand into a red giant. It will not explode as a supernova; it lacks the mass for that particular drama.
After that
White dwarf
The remnant will cool for an almost unreasonable length of time. Your calendar should be clear.
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