Public holidays
1980, Suisse, Graubünden
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1980 | Jour de l'An |
| 2 | Friday, 4 April 1980 | Vendredi Saint |
| 3 | Monday, 7 April 1980 | Lundi de Pâques |
| 4 | Thursday, 15 May 1980 | Jeudi de l'Ascension |
| 5 | Monday, 26 May 1980 | Lundi de la Pentecôte |
| 6 | Friday, 1 August 1980 | Fête nationale suisse |
| 7 | Thursday, 25 December 1980 | Noël |
| 8 | Friday, 26 December 1980 | Saint Étienne |