► 名詞
一日 [いちにち] meaning: day rank: 1
☆ この仕事を一日でやるのは無理だ ⇨ It is impossible to get this work done in one day (☛ One day. Often pronounced いちんち in conversation)
一日 [ついたち] meaning: one rank: 1
☆ 一月一日 ⇨ January first (☛ The first day of a month only. The first day of an even is “初日” and “One day” is “いちにち”)
More examples:
- 彼は一日数回礼拝する ⇨ He prays to God several times a day
 - 彼は一日中仕事をしている ⇨ He is working all day
 - 彼は勉強そっち退けで一日中ゲームをしている ⇨ He is playing games all day, ignoring his study
 - オリンピックは七月一日に開会した ⇨ The Olympics started on July first
 - 一日十分運動するだけでも大きな効果が有る ⇨ There will be a big effect when you work out even just 10 minutes a day
 - 一日中街を歩き回った ⇨ I walked around the town all day long
 - 工事は四月一日に始まる予定だ ⇨ The construction is scheduled to start on 4/1
 - 郵便局員は一日一度集荷する ⇨ Postal workers come collect parcels once a day
 - 彼は一日も練習を休まず、本気な事を示した ⇨ He never missed practice even for one day, and showed, proved, that he was serious
 - この法律は六月一日付で施行される ⇨ This law will be implemented on June 1
 - 一日中ドタバタするばかりで殆ど仕事にならなかった ⇨ I was just busy for no good reason and didn’t really get anything done
 - 彼女は一日中店で忙しく立ち働いている ⇨ She is busily working all day at the store
 - 明日は一日中雨が降るでしょう ⇨ Tomorrow it will rain all day
 - 一日中勉強して頭が煮詰まってしまった ⇨ I’ve been studying all day and my brain feels like saturated
 - 一日二回の歯磨きを習慣付けることが大切だ (しゅうかんづける) ⇨ It is important to make a habit of brushing teeth twice a day