| 1 Jan, 2026 (Thu) | New Year's Day | National Holiday |
| 2 Jan, 2026 (Fri) | January 2 Bank Holiday | Bank holiday |
| 3 Jan, 2026 (Sat) | January 3 Bank Holiday | Bank holiday |
| 12 Jan, 2026 (Mon) | Coming of Age Day | National Holiday |
| 3 Feb, 2026 (Tue) | Setsubun | Observance |
| 11 Feb, 2026 (Wed) | National Foundation Day | National Holiday |
| 14 Feb, 2026 (Sat) | Valentine's Day | Observance |
| 23 Feb, 2026 (Mon) | Emperor's Birthday | National Holiday |
| 3 Mar, 2026 (Tue) | Dolls' Festival/Girls' Festival | Observance |
| 20 Mar, 2026 (Fri) | Spring Equinox | National Holiday |
| 21 Mar, 2026 (Sat) | March Equinox | Season |
| 29 Apr, 2026 (Wed) | Shōwa Day | National Holiday |
| 3 May, 2026 (Sun) | Constitution Memorial Day | National Holiday |
| 4 May, 2026 (Mon) | Greenery Day | National Holiday |
| 5 May, 2026 (Tue) | Children's Day | National Holiday |
| 6 May, 2026 (Wed) | Constitution Memorial Day observed | National Holiday |
| 10 May, 2026 (Sun) | Mother's Day | Observance |
| 21 Jun, 2026 (Sun) | June Solstice | Season |
| 7 Jul, 2026 (Tue) | Star Festival | Observance |
| 20 Jul, 2026 (Mon) | Sea Day | National Holiday |
| 6 Aug, 2026 (Thu) | Hiroshima Memorial Day | Observance |
| 9 Aug, 2026 (Sun) | Nagasaki Memorial Day | Observance |
| 11 Aug, 2026 (Tue) | Mountain Day | National Holiday |
| 21 Sep, 2026 (Mon) | Respect for the Aged Day | National Holiday |
| 22 Sep, 2026 (Tue) | Bridge Public holiday | National Holiday |
| 23 Sep, 2026 (Wed) | Autumn Equinox | National Holiday |
| 23 Sep, 2026 (Wed) | September Equinox | Season |
| 12 Oct, 2026 (Mon) | Sports Day | National Holiday |
| 3 Nov, 2026 (Tue) | Culture Day | National Holiday |
| 15 Nov, 2026 (Sun) | 7-5-3 Day | Observance |
| 23 Nov, 2026 (Mon) | Labor Thanksgiving Day | National Holiday |
| 22 Dec, 2026 (Tue) | December Solstice | Season |
| 25 Dec, 2026 (Fri) | Christmas | Observance |
| 31 Dec, 2026 (Thu) | December 31 Bank Holiday | Bank holiday |
