| 1 | Thursday, 1 January 1998 |
元日 |
| 2 | Friday, 2 January 1998 |
銀行休業日(1月2日) |
| 3 | Saturday, 3 January 1998 |
銀行休業日(1月3日) |
| 4 | Thursday, 15 January 1998 |
成人の日 |
| 5 | Wednesday, 11 February 1998 |
建国記念の日 |
| 6 | Saturday, 21 March 1998 |
春分の日 |
| 7 | Wednesday, 29 April 1998 |
みどりの日 |
| 8 | Sunday, 3 May 1998 |
憲法記念日 |
| 9 | Monday, 4 May 1998 |
国民の休日 |
| 10 | Tuesday, 5 May 1998 |
こどもの日 |
| 11 | Monday, 20 July 1998 |
海の日 |
| 12 | Tuesday, 15 September 1998 |
敬老の日 |
| 13 | Wednesday, 23 September 1998 |
秋分の日 |
| 14 | Saturday, 10 October 1998 |
体育の日 |
| 15 | Tuesday, 3 November 1998 |
文化の日 |
| 16 | Monday, 23 November 1998 |
勤労感謝の日 |
| 17 | Wednesday, 23 December 1998 |
天皇誕生日 |
| 18 | Thursday, 31 December 1998 |
銀行休業日(12月31日) |