lunar year

(redirected from lunar years)
Also found in: Dictionary, Thesaurus.

lunar year

A year of 12 synodic months, each of 29.5306 days, i.e. a year of 354.3672 days. A lunar calendar is based solely on the Moon's motion; it has a year of 354 days with a leap year of 355 days and is composed of 12 months of 29 or 30 days. A lunisolar calendar is a lunar calendar that is brought into step with the solar or seasonal calendar by the intercalation (addition) of a 13th leap month.

Lunar Year

(religion, spiritualism, and occult)

A lunar year is a year of 12 lunar months (12 synodic periods), or 354.367 days. There are 34 such lunar years for every 33 solar years. The traditional Muslim year is a lunar year. Many civilizations have utilized soli-lunar years, which retain the Moon’s synodic period for months but also insert an intercalary month to keep the years aligned with the period of Earth’s revolution around the Sun.

Lunar Year

 

the period of time that lies at the basis of lunar and lunisolar calendars. The lunar year consists of 12 lunar months having 29 or 30 days, and the lunar calendar can have 354 or 355 days. Years and months of different lengths are ordered such that a new moon would coincide exactly with the beginning of each month (12 synodic months total 354.3670 days). The beginning of each lunar year continuously changes with respect to the solar year and occurs at different times of the year. To eliminate this drawback a lunar year comprising 13 lunar months is used in lunisolar calendars.

lunar year

[′lü·nər ′yir]
(astronomy)
A time interval comprising 12 lunar (synodic) months.