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
Emperor's Birthday
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1579
1580
1581 › 
# Date Public holiday
1Tuesday, 1 January 1580 New Year's Day
2Monday, 14 January 1580 Coming of Age Day
3Monday, 11 February 1580 Foundation Day
4Thursday, 20 March 1580 Vernal Equinox Day
5Tuesday, 29 April 1580 Shōwa Day
6Saturday, 3 May 1580 Constitution Memorial Day
7Sunday, 4 May 1580 Greenery Day
8Monday, 5 May 1580 Children's Day
9Monday, 21 July 1580 Marine Day
10Monday, 15 September 1580 Respect-for-Aged Day
11Tuesday, 23 September 1580 Autumnal Equinox Day
12Monday, 13 October 1580 Health and Sports Day
13Monday, 3 November 1580 Culture Day
14Sunday, 23 November 1580 Labor Thanksgiving Day
15Tuesday, 23 December 1580 Emperor's Birthday