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
 ‹ 1669
1670
1671 › 
# Date Public holiday
1Wednesday, 1 January 1670 New Year's Day
2Thursday, 2 January 1670 January 2
3Friday, 3 January 1670 January 3
4Monday, 13 January 1670 Coming of Age Day
5Tuesday, 11 February 1670 Foundation Day
6Thursday, 20 March 1670 Vernal Equinox Day
7Tuesday, 29 April 1670 Shōwa Day
8Saturday, 3 May 1670 Constitution Memorial Day
9Sunday, 4 May 1670 Greenery Day
10Monday, 5 May 1670 Children's Day
11Monday, 21 July 1670 Marine Day
12Monday, 15 September 1670 Respect-for-Aged Day
13Tuesday, 23 September 1670 Autumnal Equinox Day
14Monday, 13 October 1670 Health and Sports Day
15Monday, 3 November 1670 Culture Day
16Sunday, 23 November 1670 Labor Thanksgiving Day
17Tuesday, 23 December 1670 Emperor's Birthday
18Wednesday, 31 December 1670 New Year's Eve