New Year's Day
New Year's Day (obs.)
January 2 (obs.)
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
 ‹ 1510
1511
1512 › 
# Date Public holiday
1Sunday, 1 January 1511 New Year's Day
Monday, 2 January 1511 New Year's Day (observance)
Tuesday, 3 January 1511 January 2 (observance)
2Monday, 9 January 1511 Coming of Age Day
3Saturday, 11 February 1511 Foundation Day
4Monday, 20 March 1511 Vernal Equinox Day
5Saturday, 29 April 1511 Shōwa Day
6Wednesday, 3 May 1511 Constitution Memorial Day
7Thursday, 4 May 1511 Greenery Day
8Friday, 5 May 1511 Children's Day
9Monday, 17 July 1511 Marine Day
10Monday, 18 September 1511 Respect-for-Aged Day
11Saturday, 23 September 1511 Autumnal Equinox Day
12Monday, 9 October 1511 Health and Sports Day
13Friday, 3 November 1511 Culture Day
14Thursday, 23 November 1511 Labor Thanksgiving Day
15Saturday, 23 December 1511 Emperor's Birthday
16Sunday, 31 December 1511 New Year's Eve