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.
  • 今夜、私は近所の公園で星を観察しようと、望遠鏡を取り出した。
    Kon’ya, watashi wa kinjo no kōen de hoshi o kansatsu shiyou to, bōenkyō o toridashita.
    Tonight, I went to a nearby park to observe the stars and took out my telescope.
    Lista:
    • 今夜 (kon’ya) – night
    • 私は (watashi wa) – I
    • 近所の公園で (kinjo no kōen de) – at a nearby park
    • 星を観察しようと (hoshi o kansatsu shiyou to) – to observe stars
    • 望遠鏡を取り出した (bōenkyō o toridashita) – took out the telescope
    In this sentence, 「望遠鏡」 functions as the instrument marked by を in 望遠鏡を取り出した; the phrase 〜ために expresses purpose.
  • 今夜、惑星がきれいに見えるね。
    Kon’ya, wakusei ga kirei ni mieru ne.
    Tonight, the planets look beautiful.
    Lista:
    • 今夜 (kon’ya) – tonight
    • 惑星 (wakusei) – planet
    • が (ga) – subject marker
    • きれいに (kirei ni) – beautifully
    • 見える (mieru) – to be seen / look
    • ね (ne) – right?
    Neste exemplo, 「惑星」 funciona como o sujeito, marcado pela partícula が; usa-se 見える para indicar que é visível no céu.
  • 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’.
  • 今夜 番組 を 見ながら 友達 と 感想 を 語る。
    kon’ya bangumi o minagara tomodachi to kansou o kataru.
    Tonight, I’ll share my impressions with a friend while watching a program.
    Lista:
    • 今夜 (kon’ya) – tonight
    • 番組 (bangumi) – program
    • を (o) – (object marker)
    • 見ながら (minagara) – while watching
    • 友達 (tomodachi) – friend
    • と (to) – with
    • 感想 (kansou) – impressions
    • を (o) – (object marker)
    • 語る (kataru) – to tell/share
    Uso de 「見ながら」 para indicar ações simultâneas; aqui 「番組」 é o objeto de 見る (to watch).
夜