Public holidays
1660, Finland
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1660 | New Year's Day |
| 2 | Tuesday, 6 January 1660 | Epiphany |
| 3 | Friday, 26 March 1660 | Good Friday |
| 4 | Sunday, 28 March 1660 | Easter Sunday |
| 5 | Monday, 29 March 1660 | Easter Monday |
| 6 | Saturday, 1 May 1660 | May Day |
| 7 | Thursday, 6 May 1660 | Ascension Day |
| 8 | Sunday, 16 May 1660 | Whit Sunday |
| 9 | Saturday, 26 June 1660 | Midsummer Day |
| 10 | Saturday, 6 November 1660 | All Saints' Day |
| 11 | Monday, 6 December 1660 | Independence Day |
| 12 | Saturday, 25 December 1660 | Christmas Day |
| 13 | Sunday, 26 December 1660 | St Stephen's Day |