Translation guide
The phase of the moon when it is not visible from Earth, or the first visible crescent. In Japanese, this is expressed with specific astronomical terms, as well as in cultural and poetic contexts.
The moment when the moon is between Earth and the sun, with its dark side facing Earth, making it invisible.
The standard astronomical term for the new moon, when the moon is not visible. Used in scientific and everyday contexts.
今夜は新月なので、星がよく見える。
Tonight is a new moon, so the stars are clearly visible.
A technical term for the new moon, especially in astronomy and traditional calendars. More formal and less common in daily speech.
朔の瞬間は、月が太陽と合になる時である。
The moment of the new moon is when the moon is in conjunction with the sun.
The thin crescent moon that becomes visible shortly after the astronomical new moon.
Literally 'third-day moon', referring to the crescent moon visible on the third day of the lunar month. Commonly used for any thin crescent moon.
西の空に三日月が見えた。
I saw a crescent moon in the western sky.
In some non-technical contexts, 新月 can also refer to the first visible crescent, though this is less precise. Use with caution.
May cause confusion; prefer 三日月 for the visible crescent.
The new moon as a symbol in poetry, traditional events, or names.
Used in poetic names, titles, and cultural references. Often evokes a sense of mystery or beginnings.
新月の夜に、願い事をすると叶うと言われている。
It is said that if you make a wish on the night of the new moon, it will come true.
Refers to the first day of the lunar month, which begins with the new moon. Used in traditional contexts.
新月 (しんげつ) is the invisible new moon, while 三日月 (みかづき) is the visible crescent. In everyday English, 'new moon' sometimes refers to the crescent, but in Japanese, it's safer to distinguish them.
新月の夜は真っ暗だが、三日月の夜は少し明るい。
The night of the new moon is pitch black, but the night of the crescent moon is a little bright.
新月のような細い月が輝いていた。
A thin moon like a new moon was shining.
旧暦の朔日は新月の日である。
The first day of the lunar calendar is the day of the new moon.