Public holidays
2257, Japan, Standard
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 2257 | New Year's Day |
| 2 | Monday, 12 January 2257 | Coming of Age Day |
| 3 | Wednesday, 11 February 2257 | Foundation Day |
| 4 | Monday, 23 February 2257 | Emperor's Birthday |
| 5 | Friday, 20 March 2257 | Vernal Equinox Day |
| 6 | Wednesday, 29 April 2257 | Shōwa Day |
| 7 | Sunday, 3 May 2257 | Constitution Memorial Day |
| 8 | Monday, 4 May 2257 | Greenery Day |
| 9 | Tuesday, 5 May 2257 | Children's Day |
| 10 | Monday, 20 July 2257 | Marine Day |
| 11 | Tuesday, 11 August 2257 | Mountain Day |
| 12 | Monday, 21 September 2257 | Respect-for-Aged Day |
| 13 | Wednesday, 23 September 2257 | Autumnal Equinox Day |
| 14 | Monday, 12 October 2257 | Health and Sports Day |
| 15 | Tuesday, 3 November 2257 | Culture Day |
| 16 | Monday, 23 November 2257 | Labor Thanksgiving Day |