祝日 = data/syukujitsu.csv (sha256:cec37a743c96995c, a copy of https://www8.cao.go.jp/chosei/shukujitsu/syukujitsu.csv, covers 1955-01-01..2027-12-31)
koyomi
0.38.0
koyomi 0.38.0 made this page by checking the files above. If a file's digest is no longer what it says here, the page is out of date.
Times are given at the UTC offset +09:00.
Closed days
These days are closed.
the days the table 祝日 lists closed 祝日
Sources and the days the calendar knows
祝日: 1,067 rows, a copy of https://www8.cao.go.jp/chosei/shukujitsu/syukujitsu.csv, pinned at sha256:cec37a743c96995c; it lists every closed day from 1955-01-01 to 2027-12-31.
The calendar knows 1955-01-01..2027-12-31. A computation that asks whether a day outside it is a business day stops, in the check and in the generated code alike.
Business days
Year
Business days
Closed days
2026
347
18
2027
348
17
The longest run of closed days in 2026-01..2027-12 is 2026-05-03..2026-05-06, 4 days.