Public holidays
2123, Japan, Standard
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 2123 | 元日 |
| 2 | Monday, 11 January 2123 | 成人の日 |
| 3 | Thursday, 11 February 2123 | 建国記念の日 |
| 4 | Tuesday, 23 February 2123 | 天皇誕生日 |
| 5 | Sunday, 21 March 2123 | 春分の日 |
| 6 | Monday, 22 March 2123 | 春分の日（振替休日） |
| 7 | Thursday, 29 April 2123 | 昭和の日 |
| 8 | Monday, 3 May 2123 | 憲法記念日 |
| 9 | Tuesday, 4 May 2123 | みどりの日 |
| 10 | Wednesday, 5 May 2123 | こどもの日 |
| 11 | Monday, 19 July 2123 | 海の日 |
| 12 | Wednesday, 11 August 2123 | 山の日 |
| 13 | Monday, 20 September 2123 | 敬老の日 |
| 14 | Thursday, 23 September 2123 | 秋分の日 |
| 15 | Monday, 11 October 2123 | スポーツの日 |
| 16 | Wednesday, 3 November 2123 | 文化の日 |
| 17 | Tuesday, 23 November 2123 | 勤労感謝の日 |