1 | Wednesday, 1 January 2138 |
New Year's Day |
2 | Monday, 13 January 2138 |
Coming of Age Day |
3 | Tuesday, 11 February 2138 |
Foundation Day |
4 | Sunday, 23 February 2138 |
Emperor's Birthday |
| Monday, 24 February 2138 |
Emperor's Birthday (observance) |
5 | Thursday, 20 March 2138 |
Vernal Equinox Day |
6 | Tuesday, 29 April 2138 |
Shōwa Day |
7 | Saturday, 3 May 2138 |
Constitution Memorial Day |
8 | Sunday, 4 May 2138 |
Greenery Day |
9 | Monday, 5 May 2138 |
Children's Day |
10 | Monday, 21 July 2138 |
Marine Day |
11 | Monday, 11 August 2138 |
Mountain Day |
12 | Monday, 15 September 2138 |
Respect-for-Aged Day |
13 | Tuesday, 23 September 2138 |
Autumnal Equinox Day |
14 | Monday, 13 October 2138 |
Health and Sports Day |
15 | Monday, 3 November 2138 |
Culture Day |
16 | Sunday, 23 November 2138 |
Labor Thanksgiving Day |
| Monday, 24 November 2138 |
Labor Thanksgiving Day (observance) |