Public holidays
1657, Suisse, Basel-Stadt
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1657 | Jour de l'An |
| 2 | Friday, 30 March 1657 | Vendredi Saint |
| 3 | Monday, 2 April 1657 | Lundi de Pâques |
| 4 | Tuesday, 1 May 1657 | Fête du Travail |
| 5 | Thursday, 10 May 1657 | Jeudi de l'Ascension |
| 6 | Monday, 21 May 1657 | Lundi de la Pentecôte |
| 7 | Wednesday, 1 August 1657 | Fête nationale suisse |
| 8 | Tuesday, 25 December 1657 | Noël |
| 9 | Wednesday, 26 December 1657 | Saint Étienne |