Public holidays
1991, Japan, Standard
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1991 | 元日 |
| 2 | Tuesday, 15 January 1991 | 成人の日 |
| 3 | Monday, 11 February 1991 | 建国記念の日 |
| 4 | Thursday, 21 March 1991 | 春分の日 |
| 5 | Monday, 29 April 1991 | みどりの日 |
| 6 | Friday, 3 May 1991 | 憲法記念日 |
| 7 | Saturday, 4 May 1991 | 国民の休日 |
| 8 | Sunday, 5 May 1991 | こどもの日 |
| 9 | Monday, 6 May 1991 | こどもの日（振替休日） |
| 10 | Sunday, 15 September 1991 | 敬老の日 |
| 11 | Monday, 16 September 1991 | 敬老の日（振替休日） |
| 12 | Monday, 23 September 1991 | 秋分の日 |
| 13 | Thursday, 10 October 1991 | 体育の日 |
| 14 | Sunday, 3 November 1991 | 文化の日 |
| 15 | Monday, 4 November 1991 | 文化の日（振替休日） |
| 16 | Saturday, 23 November 1991 | 勤労感謝の日 |
| 17 | Monday, 23 December 1991 | 天皇誕生日 |