Public holidays
1977, Suisse, Graubünden
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1977 | Jour de l'An |
| 2 | Friday, 8 April 1977 | Vendredi Saint |
| 3 | Monday, 11 April 1977 | Lundi de Pâques |
| 4 | Thursday, 19 May 1977 | Jeudi de l'Ascension |
| 5 | Monday, 30 May 1977 | Lundi de la Pentecôte |
| 6 | Monday, 1 August 1977 | Fête nationale suisse |
| 7 | Sunday, 25 December 1977 | Noël |
| 8 | Monday, 26 December 1977 | Saint Étienne |