Metonic

Some articles on metonic:

Hipparchic Cycle
... correction to the Calippic cycle (of 76 years), which itself was proposed as a correction to the Metonic cycle (of 19 years) ... lunations it is an accumulation of the mismatch between years and months in the basic Metonic cycle, and the lunar months need to be shifted systematically ... the Metonic cycle itself needs to be corrected) after every 228 years ...
Ethiopian Calendar - Eras - Era of Martyrs
... in AD 525, Dionysius Exiguus decided to add 15 Metonic cycles to the existing 13 Metonic cycles of the Diocletian Era (15x19 + 13x19 = 532) to obtain an entire 532-year medieval Easter cycle, whose first cycle ... It is also because 532 is the product of the Metonic cycle of 19 years and the Solar cycle of 28 years ...
September 2025 Lunar Eclipse - Related Eclipses - Metonic Cycle (19 Years)
... This eclipse is the second of four Metonic cycle lunar eclipses on the same date, September 7, each separated by 19 years The Metonic cycle repeats nearly exactly ...
August 1951 Lunar Eclipse - Related Lunar Eclipses - Metonic Cycle (19 Years)
... This is the third of five Metonic lunar eclipses ... The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year ... Metonic lunar eclipse sets 1951–2027 Descending node Ascending node Saros Date Type Saros Date Type 1951 ... Feb 21 Penumbral 1951 ... Aug 17 Penumbral 1970 ... Feb 21 ...
May 2022 Lunar Eclipse - Related Eclipses - Metonic Series
... This eclipse is the third of four Metonic cycle lunar eclipses on the same date, May 15-16, each separated by 19 years ... The Metonic cycle repeats nearly exactly every 19 years and represents a Saros cycle plus one lunar year ...