0 In General Info/ Italy

Biggest Sundial in World, Bologna

biggest sundial

Biggest Sundial in the World

The biggest sundial is located in the church of San Petronio, in Piazza Maggiore.



The largest sundial in the world is 67 meters (about 220 feet) of length and used for the study of the sun revolutions, studies through a hold created on the dome at more than 27 meters of height.


It was created in 1655 by the astronomer Gian Domenico Cassini that taught astronomy at Bologna University.




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