Public holidays
1980, Suisse, Appenzell Innerrhoden
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1980 | New Year's Day |
| 2 | Friday, 4 April 1980 | Good Friday |
| 3 | Monday, 7 April 1980 | Easter Monday |
| 4 | Thursday, 15 May 1980 | Ascension Day |
| 5 | Monday, 26 May 1980 | Whit Monday |
| 6 | Thursday, 5 June 1980 | Corpus Christi |
| 7 | Friday, 1 August 1980 | Swiss National Day |
| 8 | Friday, 15 August 1980 | Assumption of Mary |
| 9 | Monday, 22 September 1980 | Saint Maurice's Day/Federal Day of Thanksgiving, Repentance and Prayer |
| 10 | Saturday, 1 November 1980 | All Saints' Day |
| 11 | Monday, 8 December 1980 | Immaculate Conception |
| 12 | Thursday, 25 December 1980 | Christmas Day |
| 13 | Friday, 26 December 1980 | Saint Stephen's Day |