Public holidays
2110, Brasil, Piauí
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 2110 | New Year's Day |
| 2 | Tuesday, 18 February 2110 | Carnival Tuesday |
| 3 | Friday, 4 April 2110 | Good Friday |
| 4 | Monday, 21 April 2110 | Tiradentes Day |
| 5 | Thursday, 1 May 2110 | Labour Day |
| 6 | Thursday, 5 June 2110 | Corpus Christi |
| 7 | Sunday, 7 September 2110 | Independence Day |
| 8 | Sunday, 12 October 2110 | Our Lady of Aparecida |
| 9 | Sunday, 19 October 2110 | Piauí Day |
| 10 | Sunday, 2 November 2110 | All Souls' Day |
| 11 | Saturday, 15 November 2110 | Republic Proclamation Day |
| 12 | Thursday, 20 November 2110 | Black Consciousness Day |
| 13 | Monday, 8 December 2110 | Immaculate Conception |
| 14 | Thursday, 25 December 2110 | Christmas Day |