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lunar calendar

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

noun

plural

lunar calendars
  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.


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

Sunday's festivities mark the culmination of a week of long-life prayers that began on Monday, aligned with his birthday on the Tibetan lunar calendar.

From BBC • Jul. 6, 2025

Ramadan is the month on the Islamic lunar calendar during which Muslims fast from sunrise to sunset, focusing on worship, charity and good deeds.

From Los Angeles Times • Apr. 10, 2024

An attack during Ramadan — which is timed to the lunar calendar and expected to start on March 10 — could be viewed as particularly provocative to Muslims in the region and beyond.

From New York Times • Feb. 11, 2024

Correcting the lunar calendar is a complicated undertaking.

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