| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 2186 | 元日 |
| 2 | Monday, 2 January 2186 | 元日(振替休日) |
| 3 | Monday, 9 January 2186 | 成人の日 |
| 4 | Saturday, 11 February 2186 | 建国記念の日 |
| 5 | Thursday, 23 February 2186 | 天皇誕生日 |
| 6 | Saturday, 29 April 2186 | 昭和の日 |
| 7 | Wednesday, 3 May 2186 | 憲法記念日 |
| 8 | Thursday, 4 May 2186 | みどりの日 |
| 9 | Friday, 5 May 2186 | こどもの日 |
| 10 | Monday, 17 July 2186 | 海の日 |
| 11 | Friday, 11 August 2186 | 山の日 |
| 12 | Monday, 18 September 2186 | 敬老の日 |
| 13 | Monday, 9 October 2186 | スポーツの日 |
| 14 | Friday, 3 November 2186 | 文化の日 |
| 15 | Thursday, 23 November 2186 | 勤労感謝の日 |