Additional Details
| Country | Date | Holidays |
| Friday, December 1, 2017 | Restoration of Independence | |
| Friday, December 8, 2017 | Immaculate Conception | |
| Monday, December 25, 2017 | Christmas Day | |
| Tuesday, December 26, 2017 | St. Stephen's Day | |
| Monday, January 1, 2018 | Solemnity of Mary, Mother of God | |
| Sunday, April 1, 2018 | Carnival | |
| Sunday, April 1, 2018 | Easter Day | |
| Sunday, April 1, 2018 | Corpus Christi | |
| Sunday, April 1, 2018 | Good Friday | |
| Wednesday, April 25, 2018 | Freedom Day | |
| Tuesday, May 1, 2018 | Labour Day | |
| Friday, June 1, 2018 | Azores Day | |
| Sunday, June 10, 2018 | National Day | |
| Sunday, July 1, 2018 | Madeira Day | |
| Wednesday, August 15, 2018 | Assumption Day | |
| Friday, October 5, 2018 | Republic Day | |
| Thursday, November 1, 2018 | All Saints Day |
Portugal has 17 public holidays in 2017.
| Country | Date | Holidays | |
| 4:10:15 AM | Europe/Lisbon | ||
| 4:10:15 AM | Atlantic/Madeira | ||
| 3:10:15 AM | Atlantic/Azores |