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
 ‹ 1419
1420
1421 › 
# Date Public holiday
1Saturday, 1 January 1420 New Year's Day
Monday, 3 January 1420 New Year's Day (observance)
2Monday, 10 January 1420 Coming of Age Day
3Friday, 11 February 1420 Foundation Day
4Monday, 20 March 1420 Vernal Equinox Day
5Saturday, 29 April 1420 Shōwa Day
6Wednesday, 3 May 1420 Constitution Memorial Day
7Thursday, 4 May 1420 Greenery Day
8Friday, 5 May 1420 Children's Day
9Monday, 17 July 1420 Marine Day
10Monday, 18 September 1420 Respect-for-Aged Day
11Saturday, 23 September 1420 Autumnal Equinox Day
12Monday, 9 October 1420 Health and Sports Day
13Friday, 3 November 1420 Culture Day
14Thursday, 23 November 1420 Labor Thanksgiving Day
15Saturday, 23 December 1420 Emperor's Birthday