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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.

The Hajj is one of the five Pillars of Islam and takes place in the 12th month of the Islamic lunar calendar.

From BBC • Jun. 4, 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

In the Muslim lunar calendar, months begin only when the new moon is sighted, which can lead to variations of a day or two.

From Seattle Times • Mar. 12, 2024

Without a new deal, there is a higher threat of a further spread of tensions during Ramadan, which this year is due to begin on Sunday or Monday, depending on the lunar calendar.

From BBC • Mar. 7, 2024

A number of modern-day nations, like Israel and Saudi Arabia, still use a modified lunar calendar, but 6,000 years ago the Egyptians came up with a better system.

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

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