Public holidays
1231, Suisse, Tessin
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1231 | New Year's Day |
| 2 | Monday, 6 January 1231 | Epiphany |
| 3 | Wednesday, 19 March 1231 | Saint Joseph's Day |
| 4 | Monday, 31 March 1231 | Easter Monday |
| 5 | Thursday, 1 May 1231 | Labour Day |
| 6 | Thursday, 8 May 1231 | Ascension Day |
| 7 | Monday, 19 May 1231 | Whit Monday |
| 8 | Thursday, 29 May 1231 | Corpus Christi |
| 9 | Sunday, 29 June 1231 | Saints Peter and Paul |
| 10 | Friday, 1 August 1231 | Swiss National Day |
| 11 | Friday, 15 August 1231 | Assumption of Mary |
| 12 | Saturday, 1 November 1231 | All Saints' Day |
| 13 | Monday, 8 December 1231 | Immaculate Conception |
| 14 | Thursday, 25 December 1231 | Christmas Day |
| 15 | Friday, 26 December 1231 | Saint Stephen's Day |