What time is it?
These three clocks are showing exactly the same second. Can you read any of them?
Fifteen ways to tell the time.
Each one is historically real or mathematically exact, and each one runs on your time. Choose a clock to learn how to read it.
- Berlin Clock The time in glowing lamps Learn to read it
- Word Clock The time, spelled out Learn to read it
- Fibonacci Clock The golden ratio tells time Learn to read it
- Binary Clock Time for those who think in bits Learn to read it
- Cistercian Clock Four digits, one medieval glyph Learn to read it
- Tix Clock Count the lit squares Learn to read it
- Hex Clock The time is a color Learn to read it
- Maya Clock Dots, bars and a shell Learn to read it
- Moon Clock Tonight's sky, on your desk Learn to read it
- Polar Clock Time as growing arcs Learn to read it
- Resistor Clock Ohms tell the time Learn to read it
- Decimal Time Ten hours to a day Learn to read it
- Internet Time One time for the whole planet Learn to read it
- Roman Hours Hours that breathe with the sun Learn to read it
- Prague Orloj The sky since 1410 Learn to read it
All fifteen at once.
Wall mode puts every clock on one screen. Unfold an iPhone Duo and the whole wall fits.
On your Home Screen, Lock Screen and nightstand.
Small and medium widgets for the Home Screen, Lock Screen widgets, and StandBy while your iPhone charges.
One clock free. For good.
Pick your gift
A clock that stays yours
Pick any clock as a gift. It is yours to keep, and it becomes your app icon.
One payment for the rest
Unlock the other fourteen with a single purchase. No subscription, nothing recurring.
Try before you choose
Open any locked clock and it runs live for fifteen seconds.
The app collects nothing
No account, no ads, no tracking in the app.