Public holidays
1820, Finland
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1820 | New Year's Day |
| 2 | Thursday, 6 January 1820 | Epiphany |
| 3 | Friday, 31 March 1820 | Good Friday |
| 4 | Sunday, 2 April 1820 | Easter Sunday |
| 5 | Monday, 3 April 1820 | Easter Monday |
| 6 | Monday, 1 May 1820 | May Day |
| 7 | Thursday, 11 May 1820 | Ascension Day |
| 8 | Sunday, 21 May 1820 | Whit Sunday |
| 9 | Monday, 22 May 1820 | Whit Monday |
| 10 | Saturday, 24 June 1820 | Midsummer Day |
| 11 | Sunday, 5 November 1820 | All Saints' Day |
| 12 | Wednesday, 6 December 1820 | Independence Day |
| 13 | Monday, 25 December 1820 | Christmas Day |
| 14 | Tuesday, 26 December 1820 | St Stephen's Day |