Time change 

29.03 - Time change from winter to summer time (1 hour ahead)
26.10 - Time change from summer to winter time (1 hour back)

Mobile holidays

Fat Thursday - donuts day (last Thursday before Lent)
Shrove Tuesday (last day of carnival)
Easter Sunday - day off
Easter Monday (called "Wet Monday") - day off
Pentecost day (always 7 weeks after Easter Sunday) - day off
Corpus Cristi (always on Thursday around May/June) - day off

Fixed holidays

November

March

01.11 - All Saints' Day - day off
02.11 - All Souls Day 
11.11 - Independence Day - day off
30.11 - Saint Andrew's Day 

08.03 - Women's Day 
10.03 - Men's Day

December

April

06.12 - Saint Nicholas' Day
24.12 - Christmas Eve
25.12 - Christmas Day - day off
26.12 - Christmas Day - day off
31.12 - New Year's Eve 

01.04 - April Fools' Day

January

May

01.01 - New Year's Day - day off
06.01 - Epiphany - day off
21.01 - Grandma's Day 
22.02 - Grandpa's Day

01.05 - Labour Day - day off
02.05 - Polish Flag Day
03.05 - Constitution Day - day off
26.05 - Mother's Day

February

June

14.02 - Valentine's Day

01.06 - Children's Day
23.06 - Father's Day
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