Public holidays
1660, Suisse, Graubünden
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1660 | Neujahrstag |
| 2 | Friday, 26 March 1660 | Karfreitag |
| 3 | Monday, 29 March 1660 | Ostermontag |
| 4 | Thursday, 6 May 1660 | Auffahrt |
| 5 | Monday, 17 May 1660 | Pfingstmontag |
| 6 | Sunday, 1 August 1660 | Bundesfeier |
| 7 | Saturday, 25 December 1660 | Weihnachtstag |
| 8 | Sunday, 26 December 1660 | Stephanstag |