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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 ‹ 1002
1003
1004 › 
# Date Public holiday
1Saturday, 1 January 1003 New Year's Day
Monday, 3 January 1003 New Year's Day (observance)
2Monday, 10 January 1003 Coming of Age Day
3Friday, 11 February 1003 Foundation Day
4Sunday, 20 March 1003 Vernal Equinox Day
5Friday, 29 April 1003 Shōwa Day
6Tuesday, 3 May 1003 Constitution Memorial Day
7Wednesday, 4 May 1003 Greenery Day
8Thursday, 5 May 1003 Children's Day
9Monday, 18 July 1003 Marine Day
10Monday, 19 September 1003 Respect-for-Aged Day
11Friday, 23 September 1003 Autumnal Equinox Day
12Monday, 10 October 1003 Health and Sports Day
13Thursday, 3 November 1003 Culture Day
14Wednesday, 23 November 1003 Labor Thanksgiving Day
15Friday, 23 December 1003 Emperor's Birthday