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
Labor Thanksgiving Day (obs.)
Emperor's Birthday
New Year's Eve
  January
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 ‹ 1929
1930
1931 › 
# Date Public holiday
1Wednesday, 1 January 1930 New Year's Day
2Thursday, 2 January 1930 January 2
3Friday, 3 January 1930 January 3
4Monday, 13 January 1930 Coming of Age Day
5Tuesday, 11 February 1930 Foundation Day
6Thursday, 20 March 1930 Vernal Equinox Day
7Tuesday, 29 April 1930 Shōwa Day
8Saturday, 3 May 1930 Constitution Memorial Day
9Sunday, 4 May 1930 Greenery Day
10Monday, 5 May 1930 Children's Day
11Monday, 21 July 1930 Marine Day
12Monday, 15 September 1930 Respect-for-Aged Day
13Tuesday, 23 September 1930 Autumnal Equinox Day
14Monday, 13 October 1930 Health and Sports Day
15Monday, 3 November 1930 Culture Day
16Sunday, 23 November 1930 Labor Thanksgiving Day
Monday, 24 November 1930 Labor Thanksgiving Day (observance)
17Tuesday, 23 December 1930 Emperor's Birthday
18Wednesday, 31 December 1930 New Year's Eve