Day Date Month Holiday
Sunday 01 Jan New Year's Day
Friday 06 Jan Epiphany
Friday 14 Apr Good Friday
Sunday 16 Apr Easter Day
Monday 17 Apr Easter Monday
Monday 01 May May Day
Thursday 25 May Ascension Day
Sunday 04 Jun Whit Sunday
Saturday 24 Jun Midsummer
Saturday 04 Nov All Saints' Day
Wednesday 06 Dec Independence Day
Monday 25 Dec Christmas Day
Tuesday 26 Dec St. Stephen's Day
Source: https://www.timeanddate.com/holidays/finland/2017#!hol=9