1.
school attendance day; day when students must attend school
A day designated for students to attend school. Often refers specifically to special attendance days during school breaks (summer, winter, spring) when students are required to come in briefly.
明日は登校日だ。
Tomorrow is a school day.
夏休み中に登校日がある。
There are school attendance days during summer vacation.
夏休みの登校日に、宿題の進み具合を先生に報告しなければならない。
On the summer vacation school attendance day, we have to report our homework progress to the teacher.
Compound of 登校 (attending school, going to school) + 日 (day). Particularly associated with the designated days during school breaks when students must come to school.
USAGE:
In Japanese schools, long vacations (especially summer break) often include one or more 登校日 — days when students come to school briefly for announcements, to submit homework, or to participate in activities. These are different from regular school days and usually involve shorter hours.
COMMON COLLOCATIONS:
- 夏休みの登校日 — summer vacation attendance day
- 登校日に行く — to go on a school attendance day
- 全校登校日 — whole-school attendance day
SIMILAR WORDS:
- 登校 — going to school, attending school (the act itself)
- 出席日 — attendance day (more formal, record-keeping context)
- 休校日 — school closure day (the opposite)