Information about legal national holidays across the globe.
Weekend holidays are displayed in gray.
| 2020 Day | Public Holiday |
| Wednesday, January 01 | New Year's Day |
| Monday, January 13 | Coming of Age Day |
| Tuesday, February 11 | Foundation Day |
| Sunday, February 23 | Emperor's Birthday |
| Monday, February 24 | Emperor's Birthday (substitute holiday) |
| Friday, March 20 | Vernal Equinox Day |
| Wednesday, April 29 | Showa Day |
| Sunday, May 03 | Constitution Memorial Day |
| Monday, May 04 | Greenery Day |
| Tuesday, May 05 | Children's Day |
| Wednesday, May 06 | Constitution Memorial Day (substitute holiday) |
| Thursday, July 23 | Marine Day |
| Friday, July 24 | Sports Day |
| Monday, August 10 | Mountain Day |
| Monday, September 21 | Respect for the Aged Day |
| Tuesday, September 22 | Autumnal Equinox Day |
| Tuesday, November 03 | Culture Day |
| Monday, November 23 | Labour Thanksgiving Day |