New Year's Day
Easter Monday
Labor Day
Ascension Day
Pentecost Monday
National Day
Assumption of Mary
All Saints' Day
Armistice Day
King's Day
Christmas Day
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 ‹ 1819
1820
1821 › 
# Date Public holiday
1Saturday, 1 January 1820 New Year's Day
2Monday, 3 April 1820 Easter Monday
3Monday, 1 May 1820 Labor Day
4Thursday, 11 May 1820 Ascension Day
5Monday, 22 May 1820 Pentecost Monday
6Friday, 21 July 1820 National Day
7Tuesday, 15 August 1820 Assumption of Mary
8Wednesday, 1 November 1820 All Saints' Day
9Saturday, 11 November 1820 Armistice Day
10Wednesday, 15 November 1820 King's Day
11Monday, 25 December 1820 Christmas Day