Sion astronomical clock
Illustration — The astronomical clock of Sion town hall The Sion astronomical clock is an astronomical clock at the town hall of Sion in the canton of Valais, Switzerland. The clock was first installed in 1667–68; the present mechanism dates from 1902. The clock has five dials: on the two lateral sides of the clock tower, there are 12-hour dials.
Sion astronomical clock

Lysippos · CC BY-SA 3.0
- Period
- 1668.
- Region
- Switzerland.
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wikidata · Q16041127 · wikipedia · Sion astronomical clock
In this article
Overview
Overview
The principal dial on the front of the tower indicates, from the outer to the inner ring: • the hours, on a chapter ring numbered I to XII twice, indicated by a double-ended fleur-de-lys hand; • the signs of the zodiac; • the months; • the minutes, indicated by an arrow hand. The position of the Sun in the zodiac and the month are both indicated by a hand with a golden sun. The other end of this hand, with a star, indicates the constellation which passes through the meridian at Sion in the middle of the night. The two smaller dials underneath the principal dial indicate the day of the week, represented by an illustration of its classical deity, and the lunar phase by means of a rotating moon ball.
Chronology
Dated record
Chronology
The full dated record · 2 entries
1668
Sion astronomical clock first recorded.
1668
Sion astronomical clock was established or created in 1668.
Context
Primary material
Context
The circumstances in which Sion astronomical clock stands. Recorded at coordinates 46.2338, 7.3607. Established or created in 1668. Situated in Switzerland. clock lies within Sion.
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Primary material
Documents and archives
authority record
- Wikidata, structured authority record Q16041127: Sion astronomical clock
General reference · Wikidata
reference work
- “Sion astronomical clock”, English Wikipedia, consulted as further reading
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The biographical narrative on this page is based on the Wikipedia article Sion astronomical clock, revision 1054439794 (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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authority record
Secondary witnessreference work
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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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