Public holidays
1820, Suisse, Graubünden
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1820 | Jour de l'An |
| 2 | Friday, 31 March 1820 | Vendredi Saint |
| 3 | Monday, 3 April 1820 | Lundi de Pâques |
| 4 | Thursday, 11 May 1820 | Jeudi de l'Ascension |
| 5 | Monday, 22 May 1820 | Lundi de la Pentecôte |
| 6 | Tuesday, 1 August 1820 | Fête nationale suisse |
| 7 | Monday, 25 December 1820 | Noël |
| 8 | Tuesday, 26 December 1820 | Saint Étienne |