| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1259 | New Year's Day |
| 2 | Monday, 21 April 1259 | Easter Monday |
| 3 | Thursday, 1 May 1259 | Labor Day |
| 4 | Thursday, 29 May 1259 | Ascension Day |
| 5 | Monday, 9 June 1259 | Pentecost Monday |
| 6 | Friday, 11 July 1259 | Flemish Community Holiday |
| 7 | Monday, 21 July 1259 | National Day |
| 8 | Friday, 15 August 1259 | Assumption of Mary |
| 9 | Saturday, 1 November 1259 | All Saints' Day |
| 10 | Tuesday, 11 November 1259 | Armistice Day |
| 11 | Thursday, 25 December 1259 | Christmas Day |