New Year's Day
January 2
January 3
Coming of Age Day
Foundation Day
Foundation Day (obs.)
Vernal Equinox Day
Shōwa Day
Shōwa Day (obs.)
Constitution Memorial Day
Greenery Day
Children's Day
Marine Day
Respect-for-Aged Day
Autumnal Equinox Day
Autumnal Equinox Day (obs.)
Health and Sports Day
Culture Day
Labor Thanksgiving Day
Emperor's Birthday
Emperor's Birthday (obs.)
New Year's Eve
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1662
1663
1664 › 
# Date Public holiday
1Monday, 1 January 1663 New Year's Day
2Tuesday, 2 January 1663 January 2
3Wednesday, 3 January 1663 January 3
4Monday, 8 January 1663 Coming of Age Day
5Sunday, 11 February 1663 Foundation Day
Monday, 12 February 1663 Foundation Day (observance)
6Tuesday, 20 March 1663 Vernal Equinox Day
7Sunday, 29 April 1663 Shōwa Day
Monday, 30 April 1663 Shōwa Day (observance)
8Thursday, 3 May 1663 Constitution Memorial Day
9Friday, 4 May 1663 Greenery Day
10Saturday, 5 May 1663 Children's Day
11Monday, 16 July 1663 Marine Day
12Monday, 17 September 1663 Respect-for-Aged Day
13Sunday, 23 September 1663 Autumnal Equinox Day
Monday, 24 September 1663 Autumnal Equinox Day (observance)
14Monday, 8 October 1663 Health and Sports Day
15Saturday, 3 November 1663 Culture Day
16Friday, 23 November 1663 Labor Thanksgiving Day
17Sunday, 23 December 1663 Emperor's Birthday
Monday, 24 December 1663 Emperor's Birthday (observance)
18Monday, 31 December 1663 New Year's Eve