lunar calendar (dates by calendar)

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Scope note
Dating system based on a year consisting of synodic months, which are complete cycles of phases of the Moon. In every solar year (or year of the seasons), there are about 12.37 synodic months. Therefore, if a lunar-year calendar is to be kept in step with the seasonal year, a periodic intercalation (addition) of days is necessary.
lunar calendar
Accepted term: 29-Apr-2024