二十三日
Meanings
1
23rd day of the month
Used for dates; the 23rd day of any month.
The meeting was postponed to the 23rd.
2
23 days
Used for a duration of 23 days. Less common than the date sense.
This project was completed in 23 days.
Usage patterns
- 二十三日に〈動詞〉to do something on the 23rd (of the month)
The meeting will be held on the 23rd.
- 二十三日かかるto take 23 days (to do something)
This construction work took 23 days.