metonic
Adjective
Meaning
Pertaining to, or discovered by, Meton, the Athenian.
Source: Webster's dictionaryAnagrams
Examples
A Metonic cycle equates to 235 lunar months in each 19-year cycle.
Given the Tishrei molad of a certain year, the length of the year is determined as follows: First, one must determine whether each year is an ordinary or leap year by its position in the 19-year Metonic cycle.
Leap years The Jewish calendar is based on the Metonic cycle of 19 years, of which 12 are common (non-leap) years of 12 months and 7 are leap years of 13 months.
However, a Metonic calendar will drift against the seasons by about 1 day every 200 years.
Julian Period from indiction, Metonic and solar cycles Let Y be the year BC or AD and i, m and s respectively its positions in the indiction, Metonic and solar cycles.
Meton 's cycle had an integer number of days, although Metonic cycle often means its use without an integer number of days.