Metonic cycle

English

Pronunciation

  • enPR: /mĕtŏnĭk sīkl/

Noun

Metonic cycle (plural Metonic cycles)

  1. (astronomy, calendar studies) A particular approximate common multiple of the tropical year and the synodic month; in other words, the 19-year period over which the lunar phases occur on the same dates.
    According to the Metonic cycle, a lunar calendar begins on the same solar date every 19 years.

Synonyms

  • enneadecaeteris

Translations

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.