| Date | Holiday | Type | Notes |
|---|---|---|---|
| 01 Jan 2023 | New Year's Day | National | |
| 09 Jan 2023 | Coming-of-Age Day | National | |
| 11 Feb 2023 | National Foundation Day | National | |
| 23 Feb 2023 | The Emperor's Birthday | National | |
| 21 Mar 2023 | Vernal Equinox Day | National | |
| 29 Apr 2023 | Showa Day | National | |
| 03 May 2023 | Constitution Memorial Day | National | |
| 04 May 2023 | Greenery Day | National | |
| 05 May 2023 | Children's Day | National | |
| 17 Jul 2023 | Marine Day | National | |
| 11 Aug 2023 | Mountain Day | National | |
| 18 Sep 2023 | Respect for the Aged Day | National | |
| 23 Sep 2023 | Autumnal Equinox Day | National | |
| 09 Oct 2023 | Health-Sports Day | National | |
| 03 Nov 2023 | Culture Day | National | |
| 23 Nov 2023 | Labour Thanksgiving Day | National |
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