1.
that day, the day in question, the appointed day
The specific day being discussed or the day when an event takes place.
当日は晴れるでしょう。
It will probably be sunny on that day.
当日券を購入する。
I will purchase a same-day ticket.
当日キャンセルは料金がかかる。
Same-day cancellations incur a fee.
当日 refers to the specific day of an event.
COMMON EXPRESSIONS:
- 当日券: same-day ticket
- 当日予約: same-day reservation
- 当日キャンセル: same-day cancellation
- イベント当日: the day of the event
CONTRAST:
- 前日: the day before
- 当日: that day, the day of
- 翌日: the next day
[Register: Neutral]