Japan observes 18 public holiday days in 2026, of which 17 fall on weekdays.
| # | Holiday | Date | Day |
|---|---|---|---|
| 1 | New Year's Day | 01 Jan 2026 | Thu |
| 2 | Coming of Age Day | 12 Jan 2026 | Mon |
| 3 | National Foundation Day | 11 Feb 2026 | Wed |
| 4 | Emperor's Birthday | 23 Feb 2026 | Mon |
| 5 | Vernal Equinox Day | 20 Mar 2026 | Fri |
| 6 | Showa Day | 29 Apr 2026 | Wed |
| 7 | Constitution Memorial Day(2) | 03 May 2026 | Sun |
| 8 | Greenery Day | 04 May 2026 | Mon |
| 9 | Children's Day | 05 May 2026 | Tue |
| 10 | Substitute holiday for Constitution Memorial Day(2) | 06 May 2026 | Wed |
| 11 | Marine Day | 20 Jul 2026 | Mon |
| 12 | Mountain Day | 11 Aug 2026 | Tue |
| 13 | Respect for the Aged Day | 21 Sep 2026 | Mon |
| 14 | Citizens' holiday(3) | 22 Sep 2026 | Tue |
| 15 | Autumnal Equinox Day | 23 Sep 2026 | Wed |
| 16 | Sports Day | 12 Oct 2026 | Mon |
| 17 | Culture Day | 03 Nov 2026 | Tue |
| 18 | Labor Thanksgiving Day | 23 Nov 2026 | Mon |