Information about legal national holidays across the globe.
Weekend holidays are displayed in gray.
| 2018 Day | Public Holiday |
| Monday, January 01 | New Year's Day |
| Monday, January 08 | Coming of Age Day |
| Sunday, February 11 | Foundation Day |
| Monday, February 12 | Foundation Day (substitute holiday) |
| Wednesday, March 21 | Vernal Equinox Day |
| Sunday, April 29 | Showa Day |
| Monday, April 30 | Showa Day (substitute holiday) |
| Thursday, May 03 | Constitution Memorial Day |
| Friday, May 04 | Greenery Day |
| Saturday, May 05 | Children's Day |
| Monday, July 16 | Marine Day |
| Saturday, August 11 | Mountain Day |
| Monday, September 17 | Respect for the Aged Day |
| Sunday, September 23 | Autumnal Equinox Day |
| Monday, September 24 | Autumnal Equinox Day (substitute holiday) |
| Monday, October 08 | Health and Sports Day |
| Saturday, November 03 | Culture Day |
| Friday, November 23 | Labour Thanksgiving Day |
| Sunday, December 23 | Emperor's Birthday |
| Monday, December 24 | Emperor's Birthday (substitute holiday) |