noun, adverb
two days before; day before yesterday
Refers to the day two days before a reference point, often used in scheduling or recounting events. Can be used as a noun or adverbially.
会議の前々日に資料を送ってください。
Please send the materials two days before the meeting.
前々日、彼は東京に着いた。
He arrived in Tokyo the day before yesterday.
Means 'the day before' (one day before), while 前々日 is two days before.
Means 'the day before yesterday' in everyday conversation; 前々日 is more formal and often used in written or business contexts.
Compound of 前 (before) repeated with the iteration mark 々, plus 日 (day). The reading ぜんぜんじつ follows the on'yomi pattern.