Sunday 01 Jan New Year's Day
Sunday 08 Apr Easter Sunday
Monday 09 Apr Easter Monday
Tuesday 01 May Labour Day
Thursday 03 May Constitution Day
Sunday 27 May Pentecost
Thursday 07 Jun Corpus Christi
Wednesday 15 Aug Assumption of Mary
Thursday 01 Nov All Saints' Day
Sunday 11 Nov Independence Day
Tuesday 25 Dec Christmas Day
Wednesday 26 Dec Boxing Day
Source: http://www.altiusdirectory.com/Society/public-national-holiday-in-poland.html