New Year's Day
January 2
New Year's Day (obs.)
January 2 (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
New Year's Eve
  January
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 ‹ 1019
1020
1021 › 
# Date Public holiday
1Saturday, 1 January 1020 New Year's Day
2Sunday, 2 January 1020 January 2
Monday, 3 January 1020 New Year's Day (observance)
Tuesday, 4 January 1020 January 2 (observance)
3Monday, 10 January 1020 Coming of Age Day
4Friday, 11 February 1020 Foundation Day
5Monday, 20 March 1020 Vernal Equinox Day
6Saturday, 29 April 1020 Shōwa Day
7Wednesday, 3 May 1020 Constitution Memorial Day
8Thursday, 4 May 1020 Greenery Day
9Friday, 5 May 1020 Children's Day
10Monday, 17 July 1020 Marine Day
11Monday, 18 September 1020 Respect-for-Aged Day
12Saturday, 23 September 1020 Autumnal Equinox Day
13Monday, 9 October 1020 Health and Sports Day
14Friday, 3 November 1020 Culture Day
15Thursday, 23 November 1020 Labor Thanksgiving Day
16Saturday, 23 December 1020 Emperor's Birthday
17Sunday, 31 December 1020 New Year's Eve