Top 10 Remarkable Astronomical Clocks in the World

Astronomical clocks are anything but ordinary. They are equipped with special dials and very different clockwork that state the positions of the sun, the moon, zodiacal constellations and at times even major planets. Over the centuries, many astronomical clocks were developed all around the globe.

Here’s a sneak peek into the age old clockworks devised during our ancestral times.

10. Gros Horloge

Gros Horloge

The Gros Horloge is the pride of the French people of Rouen. This astronomic clock, that is equidistant between the Place du Vieux Marché and the Rouen Cathedral, can be seen on a Renaissance arch, which was built in 1527. The construction of the Gros Horloge dates back to the 16th century and its functioning from 1389. The clock dial is of a diameter of 2.5 metres. A single hand with a lamb at its end, points at the hour. Above the clock face, the moon phases can be seen in the Oculus, within a sphere of diameter 30cm. It completes a rotation in 29 days. There is also a hand decked by allegoric characters, one for every day of the week, at the base of the dial.

9. Olomouc Astronomical Clock

Olomouc Astronomical Clock

The Olomouc astronomical clock is another famous and rare ancestral wonder found in the Czech Republic in Olomouc. An example of a heliocentric astronomic clock, the Olomouc consists of a lower dial that represents the earth and indicates the time, date and phase of the moon. The upper one consists of star, sun, etc., against the zodiac background. The construction period is thought to be between 1422 and 1517. It also contains representations of twelve seasons and two festivals- the Procession of Maidens and the Ride of the Kings.

8. The Zytglogge Tower Clock

The Zytglogge Tower Clock

The Zytglogge  tower in Berne, Switzerland was built in the 13th century. This medieval times structure has two clock faces, and contains a remarkable 15th century astronomical clock. The dial is in the form of an astrolabe, with the planisphere divided into three zones portraying the sky at different hours- the black night sky, the deep blue sky at dawn and the light blue day sky. The clock also has a Julian calendar dial and as the clockwork is not supportive of the leap days, every leap year on 29th February it is manually reset.

7. The Torrazzo of Cremona

The Torrazzo of Cremona

The famous bell tower of the Cathedral of Cremona, Lombardy, Italy is known as The Torazzo. In the fourth storey of the tower, is the largest astronomical clock in the world, built between 1583 and 1588. The exterior of this remarkable construction has been repainted many times and has a representation of the sky, and contains the sun, moon and zodiac constellations.

6. Prague Orloj

Prague Orloj

In Prague, the capital of the Czech Republic, an astronomical clock known as the Prague Orloj is mounted in the Old Town Square on the southern wall of the Old Town Hall. Three main components govern the working of the Orloj, where the first represents the astronomical dial representing the positions of the Sun and Moon and elaborating various other astronomical details. Similarly, the second “The Walk of the Apostles”, an hourly show of the Apostles and other moving figures, including a figure of Death (indicated by a skeleton) striking the time. And, lastly the third, a calendar dial containing medallions representing the months. As legend has it, it was believed that the city would suffer if the clock is neglected.

5. Strasbourg Astronomical Clock

Strasbourg Astronomical Clock

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