1 | Sunday, 1 January 2023 |
New Year's Day |
| Monday, 2 January 2023 |
New Year's Day (observance) |
| Tuesday, 3 January 2023 |
January 2 (observance) |
2 | Monday, 9 January 2023 |
Coming of Age Day |
3 | Saturday, 11 February 2023 |
Foundation Day |
4 | Thursday, 23 February 2023 |
Emperor's Birthday |
5 | Monday, 20 March 2023 |
Vernal Equinox Day |
6 | Saturday, 29 April 2023 |
Shōwa Day |
7 | Wednesday, 3 May 2023 |
Constitution Memorial Day |
8 | Thursday, 4 May 2023 |
Greenery Day |
9 | Friday, 5 May 2023 |
Children's Day |
10 | Monday, 17 July 2023 |
Marine Day |
11 | Friday, 11 August 2023 |
Mountain Day |
12 | Monday, 18 September 2023 |
Respect-for-Aged Day |
13 | Saturday, 23 September 2023 |
Autumnal Equinox Day |
14 | Monday, 9 October 2023 |
Health and Sports Day |
15 | Friday, 3 November 2023 |
Culture Day |
16 | Thursday, 23 November 2023 |
Labor Thanksgiving Day |
17 | Sunday, 31 December 2023 |
New Year's Eve |