New Year's Day
January 2
January 3
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
 ‹ 1663
1664
1665 › 
# Date Public holiday
1Tuesday, 1 January 1664 New Year's Day
2Wednesday, 2 January 1664 January 2
3Thursday, 3 January 1664 January 3
4Monday, 14 January 1664 Coming of Age Day
5Monday, 11 February 1664 Foundation Day
6Thursday, 20 March 1664 Vernal Equinox Day
7Tuesday, 29 April 1664 Shōwa Day
8Saturday, 3 May 1664 Constitution Memorial Day
9Sunday, 4 May 1664 Greenery Day
10Monday, 5 May 1664 Children's Day
11Monday, 21 July 1664 Marine Day
12Monday, 15 September 1664 Respect-for-Aged Day
13Tuesday, 23 September 1664 Autumnal Equinox Day
14Monday, 13 October 1664 Health and Sports Day
15Monday, 3 November 1664 Culture Day
16Sunday, 23 November 1664 Labor Thanksgiving Day
17Tuesday, 23 December 1664 Emperor's Birthday
18Wednesday, 31 December 1664 New Year's Eve