New Year's Day
January 2
January 3
Coming of Age Day
Foundation Day
Foundation Day (obs.)
Emperor's Birthday
Shōwa Day
Shōwa Day (obs.)
Constitution Memorial Day
Greenery Day
Children's Day
Marine Day
Mountain Day
Respect-for-Aged Day
Sports Day
Culture Day
Labor Thanksgiving Day
New Year's Eve
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
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# Date Public holiday
1Monday, 1 January 2238 New Year's Day
2Tuesday, 2 January 2238 January 2
3Wednesday, 3 January 2238 January 3
4Monday, 8 January 2238 Coming of Age Day
5Sunday, 11 February 2238 Foundation Day
Monday, 12 February 2238 Foundation Day (observance)
6Friday, 23 February 2238 Emperor's Birthday
7Sunday, 29 April 2238 Shōwa Day
Monday, 30 April 2238 Shōwa Day (observance)
8Thursday, 3 May 2238 Constitution Memorial Day
9Friday, 4 May 2238 Greenery Day
10Saturday, 5 May 2238 Children's Day
11Monday, 16 July 2238 Marine Day
12Saturday, 11 August 2238 Mountain Day
13Monday, 17 September 2238 Respect-for-Aged Day
14Monday, 8 October 2238 Sports Day
15Saturday, 3 November 2238 Culture Day
16Friday, 23 November 2238 Labor Thanksgiving Day
17Monday, 31 December 2238 New Year's Eve