Additional Details
| Country | Date | Holidays |
| Monday, December 25, 2017 | Christmas Day | |
| Tuesday, December 26, 2017 | St. Stephen's Day | |
| Monday, January 1, 2018 | New Year's Day | |
| Saturday, January 6, 2018 | Epiphany | |
| Sunday, April 1, 2018 | Pentecost Sunday | |
| Sunday, April 1, 2018 | Easter Monday | |
| Sunday, April 1, 2018 | Easter Day | |
| Sunday, April 1, 2018 | Corpus Christi | |
| Tuesday, May 1, 2018 | May Day | |
| Thursday, May 3, 2018 | Constitution Day | |
| Wednesday, August 15, 2018 | Assumption Day | |
| Thursday, November 1, 2018 | All Saints' Day | |
| Sunday, November 11, 2018 | Independence Day |
Poland has 13 public holidays in 2017.
| Country | Date | Holidays | |
| 3:49:50 AM | Europe/Warsaw |