The demes of attica
Kallippos.
Meton of Athens
5th century BC Greek astronomer
"Meton" redirects here.
28 year moon cycle
For the insect genus, see Meton (beetle). For the lunar formation, see Meton (crater).
Meton of Athens (Greek: Μέτων ὁ Ἀθηναῖος; gen.: Μέτωνος) was a Greekmathematician, astronomer, geometer, and engineer who lived in Athens in the 5th century BC.
He is best known for calculations involving the eponymous year Metonic cycle, which he introduced in BC into the lunisolarAttic calendar. Euphronios says that Colonus was Meton's deme.[1]
Work
The Metonic calendar incorporates knowledge that 19 solar years and lunar months are very nearly of the same duration.
Consequently, a given day of a lunar month will often occur on the same day of the solar year as it did 19 years previously.
Athenian festival calendarMeton's observations were made in collaboration with Euctemon, about whom nothing else is known. The Greek astronomer Callippus expanded on the work of Meton, proposing what is now called the Callippic cycle. A Callip
