Public holidays
1990, Japan, Standard
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1990 | 元日 |
| 2 | Monday, 15 January 1990 | 成人の日 |
| 3 | Sunday, 11 February 1990 | 建国記念の日 |
| 4 | Monday, 12 February 1990 | 建国記念の日（振替休日） |
| 5 | Wednesday, 21 March 1990 | 春分の日 |
| 6 | Sunday, 29 April 1990 | みどりの日 |
| 7 | Monday, 30 April 1990 | みどりの日（振替休日） |
| 8 | Thursday, 3 May 1990 | 憲法記念日 |
| 9 | Friday, 4 May 1990 | 国民の休日 |
| 10 | Saturday, 5 May 1990 | こどもの日 |
| 11 | Saturday, 15 September 1990 | 敬老の日 |
| 12 | Sunday, 23 September 1990 | 秋分の日 |
| 13 | Monday, 24 September 1990 | 秋分の日（振替休日） |
| 14 | Wednesday, 10 October 1990 | 体育の日 |
| 15 | Saturday, 3 November 1990 | 文化の日 |
| 16 | Monday, 12 November 1990 | 即位礼正殿の儀 |
| 17 | Friday, 23 November 1990 | 勤労感謝の日 |
| 18 | Sunday, 23 December 1990 | 天皇誕生日 |
| 19 | Monday, 24 December 1990 | 天皇誕生日（振替休日） |