| 1 | Tuesday, 1 January 2002 | New Year's Day | 
| 2 | Wednesday, 2 January 2002 | January 2 | 
| 3 | Thursday, 3 January 2002 | January 3 | 
| 4 | Monday, 14 January 2002 | Coming of Age Day | 
| 5 | Monday, 11 February 2002 | Foundation Day | 
| 6 | Wednesday, 20 March 2002 | Vernal Equinox Day | 
| 7 | Monday, 29 April 2002 | Shōwa Day | 
| 8 | Friday, 3 May 2002 | Constitution Memorial Day | 
| 9 | Saturday, 4 May 2002 | Greenery Day | 
| 10 | Sunday, 5 May 2002 | Children's Day | 
|  | Monday, 6 May 2002 | Children's Day (observance) | 
| 11 | Monday, 15 July 2002 | Marine Day | 
| 12 | Monday, 16 September 2002 | Respect-for-Aged Day | 
| 13 | Monday, 23 September 2002 | Autumnal Equinox Day | 
| 14 | Monday, 14 October 2002 | Health and Sports Day | 
| 15 | Sunday, 3 November 2002 | Culture Day | 
|  | Monday, 4 November 2002 | Culture Day (observance) | 
| 16 | Saturday, 23 November 2002 | Labor Thanksgiving Day | 
| 17 | Monday, 23 December 2002 | Emperor's Birthday | 
| 18 | Tuesday, 31 December 2002 | New Year's Eve |