夜（よる、yoru）
- night

The Japanese word 夜, read as よる (yoru) in hiragana, primarily means "night." It refers to the period of time between sunset and sunrise, when the sun is below the horizon and the sky is dark. It can also refer to the evening or nighttime activities. It signifies darkness, quietude, and a time for rest. It is a fundamental concept in time and daily life in Japan, and it contrasts with the day. ⚫︎ It can refer to the specific hours of darkness. ⚫︎ It can refer to the feeling or atmosphere associated with nighttime. ⚫︎ It can also figuratively represent a time of difficulty or darkness.

⚫︎ 夜、星が見える。 Translation: "I can see the stars at night." ⚫︎ 夜の散歩は気持ちがいい。 Translation: "A walk at night feels good." ⚫︎ あの人は夜遅くまで働いている。 Translation: "That person works until late at night."

夜 is used in a wide variety of contexts: ⚫︎ To describe the time of day: 昨日の夜 (saku no [yoru] - last night). ⚫︎ To talk about activities that happen during the night: 夜ご飯 ([yoru] gohan - dinner). ⚫︎ To describe the atmosphere or environment: 夜の静けさ ([yoru] no shizukesa - the quietness of the night). ⚫︎ With time expressions: 夜の10時 ([yoru] no juuji - 10 PM). It's important to note the nuance of 夜, which often implies a sense of the absence of light and the potential for a different kind of experience than daytime.

The word is most commonly written with the kanji 夜. ⚫︎ Hiragana: よる (yoru). ⚫︎ Katakana: This is not a typical use. The okurigana (hiragana following the kanji) is not used.

There are some related words: ⚫︎ 晩 (ban) - evening; late evening. ⚫︎ 夜間 (yakan) - nighttime; during the night (more formal). ⚫︎ 宵 (yoi) - early evening. The best synonym depends on the specific context, but 夜 is the most general term.

⚫︎ 昼 (hiru) - day; daytime. ⚫︎ 朝 (asa) - morning. These are the direct opposites of 夜, representing the period when the sun is up.

毎晩、夜空を見ています。 ・Translation: "I look at the night sky every night." ・Explanation: This sentence demonstrates the common use of 夜 to describe an activity that takes place during the nighttime, focusing on the observation of the celestial environment.

夜が明けるまで待っていた。 ・Translation: "I waited until dawn." ・Explanation: This sentence illustrates the transition between the night and the day, using 夜 to refer to the period of darkness that precedes the dawn.

The etymology of 夜 is not very clear, but it is believed to come from an ancient Japanese word that referred to the period of darkness. The kanji itself is a pictograph representing the moon (月) under a person (人), possibly indicating the time when people are at rest or when the moon is visible.