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600-Year-Old Medieval Astronomical Clock in Prague is Still Ticking

The Prague Astronomical Clock, or Prague Orloj, is a medieval astronomical clock located in Prague, the capital of the Czech Republic. The clock dates to 1410 and is located in the heart of Old Town Square. Less than a hundred years later, the calendar dial was added and the clock facade was decorated with gothic sculptures.

This amazing 600 years-old astronomical clock is still ticking.  Nowadays, tourists visit Old Town Square to gaze up at Prague Orloj, with many waiting until the top of the hour.

The world’s oldest astronomical clock.

 medieval astronomical clock

Two hands represent the movement of the Sun and the Moon.

prague astronomical clock

How to read the Prague Astronomical Clock


Image: Leonard G
 medieval astronomical clock
 medieval astronomical clock

The spellbinding procession of statues.

 medieval astronomical clock


astronomical clock
astronomical clock

astronomical clock
prague astronomical clock