昼夜(ちゅうや)

ちゅうや
noun
day and night
formaltime-general
1. day and night, around the clock
Daytime and nighttime together, often implying continuous activity without rest. Used to emphasize that something goes on without stopping.
昼夜(ちゅうや)を問(と)わず働(はたら)く。
To work regardless of day or night.
工場(こうじょう)は昼夜(ちゅうや)交代(こうたい)で稼働(かどう)している。
The factory operates in day and night shifts.
被災地(ひさいち)では救助(きゅうじょ)隊(たい)が昼夜(ちゅうや)を問(と)わず捜索(そうさく)活動(かつどう)を続(つづ)けている。
In the disaster-stricken area, rescue teams continue search operations around the clock.

Usage

Often used in the set phrase 昼夜(ちゅうや)を問(と)わず (regardless of day or night). Also used as a modifier: 昼夜(ちゅうや)交代(こうたい) (day-night shift rotation), 昼夜(ちゅうや)逆転(ぎゃくてん) (reversed sleep schedule). A formal word; in casual speech, 朝(あさ)から晩(ばん)まで is more common.

Common collocations

Similar words

Related Words

Compare: 日夜(にちや) (day and night)
Compare: 終日(しゅうじつ) (all day long)
Compare: 明(あ)け暮(く)れ (day and night)
Compare: 朝晩(あさばん) (morning and evening)
general
Added 2026.2.23 14:11 · Revised 2026.9.2 13:01
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