Public holidays
1840, Finland
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1840 | New Year's Day |
| 2 | Monday, 6 January 1840 | Epiphany |
| 3 | Friday, 17 April 1840 | Good Friday |
| 4 | Sunday, 19 April 1840 | Easter Sunday |
| 5 | Monday, 20 April 1840 | Easter Monday |
| 6 | Friday, 1 May 1840 | May Day |
| 7 | Thursday, 28 May 1840 | Ascension Day |
| 8 | Sunday, 7 June 1840 | Whit Sunday |
| 9 | Monday, 8 June 1840 | Whit Monday |
| 10 | Wednesday, 24 June 1840 | Midsummer Day |
| 11 | Sunday, 1 November 1840 | All Saints' Day |
| 12 | Sunday, 6 December 1840 | Independence Day |
| 13 | Friday, 25 December 1840 | Christmas Day |
| 14 | Saturday, 26 December 1840 | St Stephen's Day |