New Year's Day
New Year's Day (obs.)
Coming of Age Day
Foundation Day
Emperor's Birthday
Vernal Equinox Day
Shōwa Day
Constitution Memorial Day
Greenery Day
Children's Day
Marine Day
Mountain Day
Respect-for-Aged Day
Autumnal Equinox Day
Health and Sports Day
Culture Day
Labor Thanksgiving Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
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# Date Public holiday
1Saturday, 1 January 2180 New Year's Day
Monday, 3 January 2180 New Year's Day (observance)
2Monday, 10 January 2180 Coming of Age Day
3Friday, 11 February 2180 Foundation Day
4Wednesday, 23 February 2180 Emperor's Birthday
5Monday, 20 March 2180 Vernal Equinox Day
6Saturday, 29 April 2180 Shōwa Day
7Wednesday, 3 May 2180 Constitution Memorial Day
8Thursday, 4 May 2180 Greenery Day
9Friday, 5 May 2180 Children's Day
10Monday, 17 July 2180 Marine Day
11Friday, 11 August 2180 Mountain Day
12Monday, 18 September 2180 Respect-for-Aged Day
13Saturday, 23 September 2180 Autumnal Equinox Day
14Monday, 9 October 2180 Health and Sports Day
15Friday, 3 November 2180 Culture Day
16Thursday, 23 November 2180 Labor Thanksgiving Day