New Year's Day
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
 ‹ 1643
1644
1645 › 
# Date Public holiday
1Friday, 1 January 1644 New Year's Day
2Monday, 11 January 1644 Coming of Age Day
3Thursday, 11 February 1644 Foundation Day
4Sunday, 20 March 1644 Vernal Equinox Day
5Friday, 29 April 1644 Shōwa Day
6Tuesday, 3 May 1644 Constitution Memorial Day
7Wednesday, 4 May 1644 Greenery Day
8Thursday, 5 May 1644 Children's Day
9Monday, 18 July 1644 Marine Day
10Monday, 19 September 1644 Respect-for-Aged Day
11Friday, 23 September 1644 Autumnal Equinox Day
12Monday, 10 October 1644 Health and Sports Day
13Thursday, 3 November 1644 Culture Day
14Wednesday, 23 November 1644 Labor Thanksgiving Day
15Friday, 23 December 1644 Emperor's Birthday