| 1 | Wednesday, 1 January 1490 | New Year's Day | 
| 2 | Saturday, 15 March 1490 | National Day | 
| 3 | Friday, 18 April 1490 | Good Friday | 
| 4 | Sunday, 20 April 1490 | Easter Sunday | 
| 5 | Monday, 21 April 1490 | Easter Monday | 
| 6 | Thursday, 1 May 1490 | Labour Day | 
| 7 | Sunday, 8 June 1490 | Pentecost Sunday | 
| 8 | Monday, 9 June 1490 | Pentecost Monday | 
| 9 | Wednesday, 20 August 1490 | State Foundation Day | 
| 10 | Thursday, 23 October 1490 | National Day | 
| 11 | Saturday, 1 November 1490 | All Saints' Day | 
| 12 | Thursday, 25 December 1490 | Christmas Day | 
| 13 | Friday, 26 December 1490 | Second Day of Christmas |