Saturday, May 18, 2019

Astronomical clock, Prague

Dating back to 1410, the Astronomical Clock in Prague is one of the oldest astronomical clocks in the world and the oldest one still operating. Every hour, there is a clockwork display called "The Walk of the Apostles", where statues of Apostles and other figures including Death appear followed by the clock chiming the hour.



One of the interesting features of the clock is the 24-hour face with present day time and Old Czech Time on the outer ring. This ring moves each day with 24 indicating the sunset.

Zodiac symbols appear on the astronomical dial (top) and calendar (below).  
In the above photo, taken at 13:49 on 27 March 2019, the clock shows the Sun has recently exited from Pisces into Aries, the Moon is near the Last Quarter phase, and the hour hand is approaching two in the afternoon.   

More info on all the features of the clock is available on Wikipedia.

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