New Year's Day
Coming of Age Day
Foundation Day
Vernal Equinox Day
Shōwa Day
Constitution Memorial Day
Greenery Day
Children's Day
Children's Day (obs.)
Marine Day
Respect-for-Aged Day
Autumnal Equinox Day
Health and Sports Day
Culture Day
Culture Day (obs.)
Labor Thanksgiving Day
Emperor's Birthday
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 ‹ 1917
1918
1919 › 
# Date Public holiday
1Tuesday, 1 January 1918 New Year's Day
2Monday, 14 January 1918 Coming of Age Day
3Monday, 11 February 1918 Foundation Day
4Wednesday, 20 March 1918 Vernal Equinox Day
5Monday, 29 April 1918 Shōwa Day
6Friday, 3 May 1918 Constitution Memorial Day
7Saturday, 4 May 1918 Greenery Day
8Sunday, 5 May 1918 Children's Day
Monday, 6 May 1918 Children's Day (observance)
9Monday, 15 July 1918 Marine Day
10Monday, 16 September 1918 Respect-for-Aged Day
11Monday, 23 September 1918 Autumnal Equinox Day
12Monday, 14 October 1918 Health and Sports Day
13Sunday, 3 November 1918 Culture Day
Monday, 4 November 1918 Culture Day (observance)
14Saturday, 23 November 1918 Labor Thanksgiving Day
15Monday, 23 December 1918 Emperor's Birthday