New Year's Day
Coming of Age Day
Foundation Day
Vernal Equinox Day
Shōwa Day
Constitution Memorial Day
Greenery Day
Children's Day
Marine Day
Respect-for-Aged Day
Autumnal Equinox Day
Health and Sports Day
Culture Day
Labor Thanksgiving Day
Labor Thanksgiving Day (obs.)
Emperor's Birthday
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1365
1366
1367 › 
# Date Public holiday
1Wednesday, 1 January 1366 New Year's Day
2Monday, 13 January 1366 Coming of Age Day
3Tuesday, 11 February 1366 Foundation Day
4Thursday, 20 March 1366 Vernal Equinox Day
5Tuesday, 29 April 1366 Shōwa Day
6Saturday, 3 May 1366 Constitution Memorial Day
7Sunday, 4 May 1366 Greenery Day
8Monday, 5 May 1366 Children's Day
9Monday, 21 July 1366 Marine Day
10Monday, 15 September 1366 Respect-for-Aged Day
11Tuesday, 23 September 1366 Autumnal Equinox Day
12Monday, 13 October 1366 Health and Sports Day
13Monday, 3 November 1366 Culture Day
14Sunday, 23 November 1366 Labor Thanksgiving Day
Monday, 24 November 1366 Labor Thanksgiving Day (observance)
15Tuesday, 23 December 1366 Emperor's Birthday