The Meaning of yoru [夜] In Japanese

夜
よる
Romaji: yoru N5

What does 夜 mean?

Translation and Meaning

night, evening

Definition

夜 (yoru) means the period of darkness between sunset and sunrise; it functions as a temporal noun referring to evening and nighttime hours and is used to locate events, describe nighttime conditions, or evoke a nocturnal atmosphere.

Type

noun (名詞)

Stroke Order

Meanings

  • As a modifier in compounds to indicate activities or states occurring during the night rather than the day.
  • Poetic or literary sense invoking darkness, solitude, secrecy, or calm associated with nighttime.
  • Colloquial nuance shifting toward “late-night” or “overnight” in certain expressions.
  • Used contrastively to mark topical differences between night and other times (e.g., contrasting habits or schedules).

Origin

The lexical item 夜 (yoru) and its pronunciation are attested in Old Japanese and classical poetry (e.g., the Man’yōshū), reflecting its long-standing role in timekeeping, ritual schedules and seasonal literature; the concept of ‘night’ has been central to Japanese daily life and cultural practices since antiquity.

Composition

夜 (yoru) centers on the pictographic component 夕 (yū) meaning “evening/sunset,” combined with additional strokes historically representing a shelter or a person, together conveying the idea of evening leading into darkness and thus ‘night’.

Usage

Used broadly in spoken and written Japanese to indicate when something happens (casual and neutral registers), to form compound nouns and adjectives about nighttime activities, and in literary contexts to set mood; in formal or technical contexts writers may prefer Sino-Japanese alternatives for nuance, while everyday speech often uses yoru to mark evening or night-time occurrences.
💡 Tips
Visualize 夕 (yū) as the setting sun and imagine a small figure beneath it; that image becomes 夜 (yoru) — sunset plus a person/shelter = night.

Variations

  • 晩 (ban) — evening (earlier part of nighttime)
  • 夜中 (yonaka) — midnight/middle of the night
  • 夜間 (yakan) — nighttime (formal/technical)
  • 深夜 (shinya) — late night/very late
  • 昼 (hiru) — day (antonym)

Example Phrases

  • 今夜、新しい額縁を壁に打付けるために、金槌を用意した。
    konya, atarashii gakubuchi o kabe ni uchitsukeru tame ni, kanazuchi o youi shita.
    Tonight I prepared a hammer to nail a new frame to the wall.
    Lista:
    • 今夜 (konya) – tonight
    • 新しい (atarashii) – new
    • 額縁 (gakubuchi) – frame
    • を (wo) – object marker
    • 壁 (kabe) – wall
    • に (ni) – to
    • 打付ける (uchitsukeru) – to nail/attach by hammering
    • ために (tame ni) – for the purpose of
    • 金槌 (kanazuchi) – hammer
    • を (wo) – object marker
    • 用意した (youi shita) – prepared
    The transitive verb 「打付ける」 means to nail or attach by hammering; XをYに打付ける expresses attaching X to Y. The phrase 「打付けるために」 indicates purpose.
  • 今夜は 一人で 留守番 を します。
    Kon’ya wa hitori de rusuban o shimasu.
    I’ll do house-sitting by myself tonight.
    Lista:
    • 今夜は (kon’ya wa) – tonight
    • 一人で (hitori de) – alone
    • 留守番 (rusuban) – house-sitting
    • を (o) – object marker
    • します (shimasu) – do
    Here 「留守番」 is a noun used as the object of をします, meaning ‘to do house-sitting’.
  • 夜のカフェで神秘を感じる小さな瞬間。
    Yoru no kafe de shinpi o kanjiru chiisana shunkan.
    A small moment in a night cafe when I feel a sense of mystery.
    Lista:
    • 夜の (yoru no) – night of
    • カフェで (kafe de) – at the cafe
    • 神秘 (shinpi) – mystery
    • 感じる (kanjiru) – feel
    • 小さな (chiisana) – small
    • 瞬間 (shunkan) – moment
    The noun 「神秘」 means ‘mystery’ and is the object of 感じる; the sentence uses a relative clause before 瞬間 to describe a moment during which this feeling occurs, with 夜のカフェで indicating location.
  • 彼は 休日の過ごし方を 想像して 今夜も 楽しく 笑った。
    Kare wa kyūjitsu no sugoshikata o sōzō shite kon’ya mo tanoshiku waratta.
    He imagined how to spend his day off and laughed tonight as well.
    Lista:
    • 彼は (kare wa) – he
    • 休日の過ごし方を (kyūjitsu no sugoshikata o) – how to spend the day off
    • 想像して (sōzō shite) – imagining
    • 今夜も (kon’ya mo) – tonight as well
    • 楽しく (tanoshiku) – joyfully
    • 笑った (waratta) – laughed
    Here 「想像」 acts as the noun stem of 想像する; 想像して connects to the next clause, signaling a sequence.
  • 今夜の材料を いろいろと スーパーで 買い集めて 夕食を 作る。
    kon’ya no zairyō o iroiro to suupaa de kaiatsumete yuushoku o tsukuru
    I pick up a variety of ingredients at the supermarket for tonight’s dinner.
    Lista:
    • 今夜の材料を (kon’ya no zairyō o) – tonight’s ingredients
    • いろいろと (iroiro to) – variously
    • スーパーで (suupaa de) – at the supermarket
    • 買い集めて (kaiatsumete) – buying up / gathering
    • 夕食を (yuushoku o) – dinner
    • 作る (tsukuru) – make / cook
    The noun 「材料」 means ingredients and is the object of 揃える, here referring to cooking ingredients for tonight.
夜