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Prague Astronomical Clock
Sight4.7 · 100 637≈ 22 minFree entry66 m from the center
The Prague Orloj on the Old Town Hall wall is the world's oldest operating astronomical clock, installed in 1410. Every hour, spectators gather to watch the mechanical show: the twelve apostles parade in the upper windows while a skeleton representing Death rings a bell. The astronomical dial tracks the positions of the Sun, Moon phases, and celestial constellations.
Highlights
- Hourly mechanical parade of the twelve apostles
- 15th-century astronomical and calendar dial
- World's oldest operating astronomical clock
Opening hours
| Mon | 09:00 – 20:00 |
|---|---|
| Tue | 09:00 – 20:00 |
| Wed | 09:00 – 20:00 |
| Thu | 09:00 – 20:00 |
| Fri | 09:00 – 20:00 |
| Sat | 09:00 – 20:00 |
| Sun | 09:00 – 20:00 |
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