New Year's Day
New Year's Day (obs.)
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
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 ‹ 1954
1955
1956 › 
# Date Public holiday
1Saturday, 1 January 1955 New Year's Day
Monday, 3 January 1955 New Year's Day (observance)
2Monday, 10 January 1955 Coming of Age Day
3Friday, 11 February 1955 Foundation Day
4Sunday, 20 March 1955 Vernal Equinox Day
5Friday, 29 April 1955 Shōwa Day
6Tuesday, 3 May 1955 Constitution Memorial Day
7Wednesday, 4 May 1955 Greenery Day
8Thursday, 5 May 1955 Children's Day
9Monday, 18 July 1955 Marine Day
10Monday, 19 September 1955 Respect-for-Aged Day
11Friday, 23 September 1955 Autumnal Equinox Day
12Monday, 10 October 1955 Health and Sports Day
13Thursday, 3 November 1955 Culture Day
14Wednesday, 23 November 1955 Labor Thanksgiving Day
15Friday, 23 December 1955 Emperor's Birthday