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date: 07 December 2022


, astronomer


, astronomer
  • G. J. Toomer
  •  and Alexander Jones


Observed the summer solstice at Athens, together with *Meton, in 432 bce (Ptol. Alm. 3. 1). He is also associated with the Metonic nineteen-year luni-solar cycle. He composed a παράπηγμα, an astronomical calendar listing the dates of rising and setting of stars and associated weather phenomena, which is excerpted by later extant calendars.


  • Science, Technology, and Medicine

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