日夜 (Nichiya) is a Japanese adverb meaning “day and night, around the clock, always, constantly”.
Meanings
- adverb, nounday and night; around the clock; always; constantly
Examples
彼は日夜働いて過労になった。
He worked day and night and overworked himself.
彼は金持ちになるために、日夜働いた。
He worked day and night so that he might become rich.
彼は弁護士になるために日夜勉強に励んだ。
He studied day and night with a view to becoming a lawyer.
Sentences from Tatoeba (CC BY 2.0 FR).