New Year's Day
January 2
January 3
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
Emperor's Birthday
New Year's Eve
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1079
1080
1081 › 
# Date Public holiday
1Thursday, 1 January 1080 New Year's Day
2Friday, 2 January 1080 January 2
3Saturday, 3 January 1080 January 3
4Monday, 12 January 1080 Coming of Age Day
5Wednesday, 11 February 1080 Foundation Day
6Saturday, 20 March 1080 Vernal Equinox Day
7Thursday, 29 April 1080 Shōwa Day
8Monday, 3 May 1080 Constitution Memorial Day
9Tuesday, 4 May 1080 Greenery Day
10Wednesday, 5 May 1080 Children's Day
11Monday, 19 July 1080 Marine Day
12Monday, 20 September 1080 Respect-for-Aged Day
13Thursday, 23 September 1080 Autumnal Equinox Day
14Monday, 11 October 1080 Health and Sports Day
15Wednesday, 3 November 1080 Culture Day
16Tuesday, 23 November 1080 Labor Thanksgiving Day
17Thursday, 23 December 1080 Emperor's Birthday
18Friday, 31 December 1080 New Year's Eve