三日
Meanings
1
third day of the month; the 3rd
Calendar-date use. With a month name, 三日 is read みっか, as in 五月三日.
The meeting is on May 3rd.
The deadline is the third of next month.
2
three days; a period of three days
Duration use. 三日 can stand alone as a time span, and 三日間 is also common when emphasizing the full length of three days.
Please wait three days.
He has hardly slept for three days.
Usage patterns
- 〈時〉3日にon the 3rd (of a given month)
The meeting will be held on May 3rd.
- 3日かかるto take three days (to complete something)
This repair will take three days.
- 3日ぶりに〈動詞〉to do something for the first time in three days
I went to school for the first time in three days.
Expressions
- 春に三日の晴れ間なしgood weather never lasts for three days in spring