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
Emperor's Birthday
New Year's Eve
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1829
1830
1831 › 
# Date Public holiday
1Friday, 1 January 1830 New Year's Day
2Saturday, 2 January 1830 January 2
3Sunday, 3 January 1830 January 3
4Monday, 11 January 1830 Coming of Age Day
5Thursday, 11 February 1830 Foundation Day
6Saturday, 20 March 1830 Vernal Equinox Day
7Thursday, 29 April 1830 Shōwa Day
8Monday, 3 May 1830 Constitution Memorial Day
9Tuesday, 4 May 1830 Greenery Day
10Wednesday, 5 May 1830 Children's Day
11Monday, 19 July 1830 Marine Day
12Monday, 20 September 1830 Respect-for-Aged Day
13Thursday, 23 September 1830 Autumnal Equinox Day
14Monday, 11 October 1830 Health and Sports Day
15Wednesday, 3 November 1830 Culture Day
16Tuesday, 23 November 1830 Labor Thanksgiving Day
17Thursday, 23 December 1830 Emperor's Birthday
18Friday, 31 December 1830 New Year's Eve