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
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1638
1639 › 
# Date Public holiday
1Friday, 1 January 1638 New Year's Day
2Saturday, 2 January 1638 January 2
3Sunday, 3 January 1638 January 3
4Monday, 11 January 1638 Coming of Age Day
5Thursday, 11 February 1638 Foundation Day
6Saturday, 20 March 1638 Vernal Equinox Day
7Thursday, 29 April 1638 Shōwa Day
8Monday, 3 May 1638 Constitution Memorial Day
9Tuesday, 4 May 1638 Greenery Day
10Wednesday, 5 May 1638 Children's Day
11Monday, 19 July 1638 Marine Day
12Monday, 20 September 1638 Respect-for-Aged Day
13Thursday, 23 September 1638 Autumnal Equinox Day
14Monday, 11 October 1638 Health and Sports Day
15Wednesday, 3 November 1638 Culture Day
16Tuesday, 23 November 1638 Labor Thanksgiving Day
17Thursday, 23 December 1638 Emperor's Birthday
18Friday, 31 December 1638 New Year's Eve