also: まえび
previous day; day before; eve
Refers to the day immediately before a specific event or reference point. Often used in the pattern 〜の前日. Can function as a noun or adverbially.
It's better to go to bed early the day before an exam.
結婚式の前日に、リハーサルを行います。
We will hold a rehearsal on the day before the wedding.
I couldn't sleep well the night before the exam.
I finished preparing for the trip the day before.
He had been nervous since the day before.
The athletes arrived at the venue the day before the tournament.