METONIC See also:

• CYCLE
• CYCLE (Gr. KUK)^os, a circle)

CYCLE  , in See also:

• CHRONOLOGY (Gr. xpovo?oyfa, computation of time, xp6vos)

chronology, a See also:

• PERIOD
• PERIOD (Gr. irepioSos, a going or way round, circuit, aepi, round, and &Sis, way, road)

period of 19 years during which there are 235 lunations, so called because discovered by Meton . Computation from See also:

• MODERN

modern data shows that 235 lunations are 6939 days, 16.5 See also:

• HOURS, CANONICAL

hours; and 19 See also:

• SOLAR, SOLLER (Lat. solarium, Fr.• galetas, Ital. solaio)

solar years, 6939 days, 14.5 hours . The relation between integral See also:

• NUMBERS, BOOK OF
• NUMBERS, PARTITION OF

numbers of months and years expressed by Meton's See also:

• RULE

rule therefore deviates only two hours from the truth . Since 19 See also:

• JULIAN (FLAVIUS CLAUDIUS JULIANUS) (331-363)

Julian years make 6939 days, 18 hours, the relation errs by only 1.5 See also:

• HOUR

hour when the Julian See also:

• YEAR

year is taken . Meton was an Athenian astronomer (fl . 432 B.C.) .