Fanzago's astronomical clock
Illustration — Fanzago's astronomical clock, Clusone Fanzago's astronomical clock is an astronomical clock in Clusone, Italy. It is housed in a medieval tower in the southwest corner of the Palazzo Comunale, Clusone. Dating from 1583, it was designed by local mathematician Pietro Fanzago, and still runs on its original mechanism, with restorations in 1873, 1928 and 2006.
Also recorded as Planetario Fanzago clock tower
Fanzago's astronomical clock
Cristina Guaetta · CC BY-SA 4.0
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wikidata · Q17637764 · wikipedia · Fanzago's astronomical clock
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Overview
Overview
The clock's dial has a diameter of 3.5 m. It has a single hand, which rotates anticlockwise, and three concentric rotating rings inside the chapter ring. The dial indicates the hour, the day, the month, the position of the Sun and Moon in the zodiac, the moon phase, and the duration of the hours of darkness through the year. The inscription underneath the dial is in Latin:
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- Italy
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- “Fanzago's astronomical clock”, English Wikipedia, consulted as further reading
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The biographical narrative on this page is based on the Wikipedia article Fanzago's astronomical clock, revision 1128396036 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 16 August 2026.
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