1 | Saturday, 1 January 1966 |
New Year's Day |
| Monday, 3 January 1966 |
New Year's Day (observance) |
2 | Monday, 10 January 1966 |
Coming of Age Day |
3 | Friday, 11 February 1966 |
Foundation Day |
4 | Sunday, 20 March 1966 |
Vernal Equinox Day |
5 | Friday, 29 April 1966 |
Shōwa Day |
6 | Tuesday, 3 May 1966 |
Constitution Memorial Day |
7 | Wednesday, 4 May 1966 |
Greenery Day |
8 | Thursday, 5 May 1966 |
Children's Day |
9 | Monday, 18 July 1966 |
Marine Day |
10 | Monday, 19 September 1966 |
Respect-for-Aged Day |
11 | Friday, 23 September 1966 |
Autumnal Equinox Day |
12 | Monday, 10 October 1966 |
Health and Sports Day |
13 | Thursday, 3 November 1966 |
Culture Day |
14 | Wednesday, 23 November 1966 |
Labor Thanksgiving Day |
15 | Friday, 23 December 1966 |
Emperor's Birthday |