| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1906 | New Year's Day |
| 2 | Saturday, 6 January 1906 | Epiphany of the Lord |
| 3 | Monday, 19 March 1906 | Saint Joseph's Day |
| 4 | Thursday, 12 April 1906 | Maundy Thursday |
| 5 | Friday, 13 April 1906 | Good Friday |
| 6 | Tuesday, 1 May 1906 | Labour Day |
| 7 | Wednesday, 15 August 1906 | Assumption of the Virgin Mary |
| 8 | Thursday, 1 November 1906 | All Saints' Day |
| 9 | Thursday, 6 December 1906 | Spanish Constitution Day |
| 10 | Saturday, 8 December 1906 | Immaculate Conception |
| 11 | Tuesday, 25 December 1906 | Nativity of the Lord |