new moon


Definition of new moon

1 : the moon's phase when it is in conjunction with the sun so that its dark side is toward the earth also : the thin crescent moon seen shortly after sunset for a few days after the actual occurrence of the new moon phase
2 : the beginning of each Jewish month marked by a special liturgy

Examples of new moon in a Sentence

Recent Examples on the Web And even better, the Perseids peak only a few nights after a new moon, so the shower won't have to compete with bright moonlight. Abigail Rosenthal, Chron, 13 July 2021 Because Islamic holidays are pegged to the Hijri lunar calendar, the exact date depends on the sighting of a new moon, and, over time, the holidays move through the seasons. New York Times, 9 July 2021 Going closer to the new moon, when the sky is darker, yields the best results. Patrick Connolly,, 23 June 2021 Ramadan begins with the sighting of the new moon, but the exact date often depends on clerics in a particular nation. Cnn Editorial Research, CNN, 15 June 2021 Thursday morning, June 10, marks the new moon, which will eclipse the sun in the U.S. Sophie Lewis, CBS News, 8 June 2021 Some surface action continues at dawn around schools of fry shad, and bluegills are still bedding on shell bottom in the bays, though this won’t peak until the next new moon on the 10th; Frank Sargeant, al, 4 June 2021 Another important part of our lives impacted by this new moon: our finances. Elizabeth Gulino,, 11 May 2021 The new moon will eclipse the sun at 6:53 a.m. ET (5:53 a.m. CT). Leada Gore |, al, 8 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'new moon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of new moon

before the 12th century, in the meaning defined at sense 1

Keep scrolling for more

Learn More About new moon

Time Traveler for new moon

Time Traveler

The first known use of new moon was before the 12th century

See more words from the same century

Statistics for new moon

Last Updated

19 Jul 2021

Cite this Entry

“New moon.” Dictionary, Merriam-Webster, Accessed 25 Jul. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for new moon

new moon


English Language Learners Definition of new moon

: the moon when it is completely dark

new moon


Kids Definition of new moon

1 : the moon's phase when its dark side is toward the earth
2 : the thin curved outline of the moon seen shortly after sunset for a few days after the new moon

More from Merriam-Webster on new moon

Nglish: Translation of new moon for Spanish Speakers Encyclopedia article about new moon


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!