1.
previous day, day before
The day immediately before a particular event or date. Often used to describe preparations or events occurring the day before something important.
前日 means "the day before" a specific referenced event or date. Unlike 昨日 (yesterday), which is relative to today, 前日 is relative to a particular occasion.
DISTINCTION:
- 前日: the day before [an event] — used in narratives and formal contexts
- 昨日: yesterday — relative to the present moment
COMMON PATTERNS:
REGISTER:
Slightly formal. Common in written text, announcements, and narratives. In casual speech, people might say 前の日 instead.
RELATED TIME EXPRESSIONS: