Public holidays
1663, Suisse, Basel-Stadt
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1663 | Jour de l'An |
| 2 | Friday, 23 March 1663 | Vendredi Saint |
| 3 | Monday, 26 March 1663 | Lundi de Pâques |
| 4 | Tuesday, 1 May 1663 | Fête du Travail |
| 5 | Thursday, 3 May 1663 | Jeudi de l'Ascension |
| 6 | Monday, 14 May 1663 | Lundi de la Pentecôte |
| 7 | Wednesday, 1 August 1663 | Fête nationale suisse |
| 8 | Tuesday, 25 December 1663 | Noël |
| 9 | Wednesday, 26 December 1663 | Saint Étienne |