New Year's Day
Coming of Age Day
Foundation Day
Emperor's Birthday
Shōwa Day
Constitution Memorial Day
Greenery Day
Children's Day
Children's Day (obs.)
Marine Day
Mountain Day
Mountain Day (obs.)
Respect-for-Aged Day
Sports Day
Culture Day
Culture Day (obs.)
Labor Thanksgiving Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
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# Date Public holiday
1Tuesday, 1 January 2278 New Year's Day
2Monday, 14 January 2278 Coming of Age Day
3Monday, 11 February 2278 Foundation Day
4Saturday, 23 February 2278 Emperor's Birthday
5Monday, 29 April 2278 Shōwa Day
6Friday, 3 May 2278 Constitution Memorial Day
7Saturday, 4 May 2278 Greenery Day
8Sunday, 5 May 2278 Children's Day
Monday, 6 May 2278 Children's Day (observance)
9Monday, 15 July 2278 Marine Day
10Sunday, 11 August 2278 Mountain Day
Monday, 12 August 2278 Mountain Day (observance)
11Monday, 16 September 2278 Respect-for-Aged Day
12Monday, 14 October 2278 Sports Day
13Sunday, 3 November 2278 Culture Day
Monday, 4 November 2278 Culture Day (observance)
14Saturday, 23 November 2278 Labor Thanksgiving Day