New Year's Day
New Year's Day (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
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1509
1510
1511 › 
# Date Public holiday
1Saturday, 1 January 1510 New Year's Day
Monday, 3 January 1510 New Year's Day (observance)
2Monday, 10 January 1510 Coming of Age Day
3Friday, 11 February 1510 Foundation Day
4Sunday, 20 March 1510 Vernal Equinox Day
5Friday, 29 April 1510 Shōwa Day
6Tuesday, 3 May 1510 Constitution Memorial Day
7Wednesday, 4 May 1510 Greenery Day
8Thursday, 5 May 1510 Children's Day
9Monday, 18 July 1510 Marine Day
10Monday, 19 September 1510 Respect-for-Aged Day
11Friday, 23 September 1510 Autumnal Equinox Day
12Monday, 10 October 1510 Health and Sports Day
13Thursday, 3 November 1510 Culture Day
14Wednesday, 23 November 1510 Labor Thanksgiving Day
15Friday, 23 December 1510 Emperor's Birthday