| 1 | Monday, 1 January 1821 | New Year's Day | 
| 2 | Thursday, 15 March 1821 | National Day | 
| 3 | Friday, 20 April 1821 | Good Friday | 
| 4 | Sunday, 22 April 1821 | Easter Sunday | 
| 5 | Monday, 23 April 1821 | Easter Monday | 
| 6 | Tuesday, 1 May 1821 | Labour Day | 
| 7 | Sunday, 10 June 1821 | Pentecost Sunday | 
| 8 | Monday, 11 June 1821 | Pentecost Monday | 
| 9 | Monday, 20 August 1821 | State Foundation Day | 
| 10 | Tuesday, 23 October 1821 | National Day | 
| 11 | Thursday, 1 November 1821 | All Saints' Day | 
| 12 | Tuesday, 25 December 1821 | Christmas Day | 
| 13 | Wednesday, 26 December 1821 | Second Day of Christmas |