| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1818 | New Year's Day |
| 2 | Tuesday, 6 January 1818 | Epiphany of the Lord |
| 3 | Thursday, 19 March 1818 | Maundy Thursday/Saint Joseph's Day / Maundy Thursday |
| 4 | Friday, 20 March 1818 | Good Friday |
| 5 | Monday, 23 March 1818 | Easter Monday |
| 6 | Friday, 1 May 1818 | Labour Day |
| 7 | Monday, 11 May 1818 | Whit Monday |
| 8 | Tuesday, 9 June 1818 | La Rioja Day |
| 9 | Saturday, 25 July 1818 | Saint James the Apostle |
| 10 | Saturday, 15 August 1818 | Assumption of the Virgin Mary |
| 11 | Sunday, 1 November 1818 | All Saints' Day |
| 12 | Sunday, 6 December 1818 | Spanish Constitution Day |
| 13 | Tuesday, 8 December 1818 | Immaculate Conception |
| 14 | Friday, 25 December 1818 | Nativity of the Lord |