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lunar calendar

American  
[loon-er kal-uhn-der] / ˈlun ər ˈkæl ən dər /

noun

lunar calendars plural
  1. a calendar based on the phases of the moon, so that each month corresponds to one complete cycle of moon phases.

  2. lunisolar calendar.


Other Word Forms

Inflected Forms

noun

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Islam follows a lunar calendar with each month starting at the sighting of the moon.

From BBC • Mar. 20, 2026

Celebrations began on Monday - the Dalai Lama's birthday according to the Tibetan lunar calendar.

From BBC • Jul. 1, 2025

Ramadan is the month on the Islamic lunar calendar during which Muslims fast from sunrise to sunset, while also putting a greater focus on worship, charity and good deeds.

From Los Angeles Times • Apr. 9, 2024

Ramadan is the ninth month of the Islamic lunar calendar and begins with the sighting of the crescent moon.

From Seattle Times • Mar. 12, 2024

Creating a stable calendar was a problem for most ancient peoples, because they generally started out with a lunar calendar: the length of a month was the time between successive full moons.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

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