Exact dates and weekdays for every nationwide public holiday in Japan for 2026 and 2027, with ISO week numbers and a live countdown on each holiday page. Each holiday page also links to the month's working-day count so you can see exactly what the day removes.
| Holiday | 2026 | 2027 | Pages |
|---|---|---|---|
| Autumnal Equinox Day | 2026-09-23 | 2027-09-23 | 2026 2027 |
| Children's Day | 2026-05-05 | 2027-05-05 | 2026 2027 |
| Coming of Age Day | 2026-01-12 | 2027-01-11 | 2026 2027 |
| Constitution Memorial Day | 2026-05-06 | 2027-05-03 | 2026 2027 |
| Culture Day | 2026-11-03 | 2027-11-03 | 2026 2027 |
| Foundation Day | 2026-02-11 | 2027-02-11 | 2026 2027 |
| Greenery Day | 2026-05-04 | 2027-05-04 | 2026 2027 |
| Labour Thanksgiving Day | 2026-11-23 | 2027-11-23 | 2026 2027 |
| Marine Day | 2026-07-20 | 2027-07-19 | 2026 2027 |
| Mountain Day | 2026-08-11 | 2027-08-11 | 2026 2027 |
| New Year's Day | 2026-01-01 | 2027-01-01 | 2026 2027 |
| Respect for the Aged Day | 2026-09-21 | 2027-09-20 | 2026 2027 |
| Shōwa Day | 2026-04-29 | 2027-04-29 | 2026 2027 |
| Sports Day | 2026-10-12 | 2027-10-11 | 2026 2027 |
| The Emperor's Birthday | 2026-02-23 | 2027-02-23 | 2026 2027 |
| Vernal Equinox Day | 2026-03-20 | 2027-03-21 | 2026 2027 |
Dates are computed from the Nager.Date holiday dataset and the calendar itself; weekday and ISO week are reproducible from the shown date.