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