新 月(しんげつ)

しんげつ

noun

new moon

nature

1. new moon

the phase of the moon when it is not visible from Earth because it is positioned between Earth and the sun

新月(しんげつ)の夜(よる)は星(ほし)がよく見(み)える。

On new moon nights, you can see the stars well.

今日(きょう)は新月(しんげつ)なので月(つき)は見(み)えない。

Since today is a new moon, you can't see the moon.

新月(しんげつ)から満月(まんげつ)まで約(やく)2週間(しゅうかん)かかる。

It takes about two weeks from new moon to full moon.

Moon phases

新月(しんげつ) (new moon) - moon not visible
三日月(みかづき) (crescent moon)
上弦(じょうげん)の月(つき) (first quarter moon)
満月(まんげつ) (full moon)
下弦(かげん)の月(つき) (last quarter moon)

Forms

新(しん) (new) + 月(げつ) (moon) → new moon

Astronomy note

During a 新月(しんげつ), the moon is between Earth and the sun, so the illuminated side faces away from Earth. This is also the time when solar eclipses can occur.

Related Words

Antonym: 満月(まんげつ) (full moon)

Related: 三日月(みかづき) (crescent moon)

Related: 半月(はんげつ) (half moon)

general

Added 2026.1.26 22:58 · Revised 2026.9.2 13:01

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