Public holidays
1661, Finland
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1661 | New Year's Day |
| 2 | Thursday, 6 January 1661 | Epiphany |
| 3 | Friday, 15 April 1661 | Good Friday |
| 4 | Sunday, 17 April 1661 | Easter Sunday |
| 5 | Monday, 18 April 1661 | Easter Monday |
| 6 | Sunday, 1 May 1661 | May Day |
| 7 | Thursday, 26 May 1661 | Ascension Day |
| 8 | Sunday, 5 June 1661 | Whit Sunday |
| 9 | Saturday, 25 June 1661 | Midsummer Day |
| 10 | Saturday, 5 November 1661 | All Saints' Day |
| 11 | Tuesday, 6 December 1661 | Independence Day |
| 12 | Sunday, 25 December 1661 | Christmas Day |
| 13 | Monday, 26 December 1661 | St Stephen's Day |