Public holidays
1709, Brasil, Piauí
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1709 | Confraternização Universal |
| 2 | Tuesday, 12 February 1709 | Terça-feira de Carnaval |
| 3 | Friday, 29 March 1709 | Sexta Feira Santa ou Paixão de Cristo |
| 4 | Sunday, 21 April 1709 | Tiradentes |
| 5 | Wednesday, 1 May 1709 | Dia do Trabalho |
| 6 | Thursday, 30 May 1709 | Corpus Christi |
| 7 | Saturday, 7 September 1709 | Independência do Brasil |
| 8 | Saturday, 12 October 1709 | Nossa Senhora Aparecida |
| 9 | Saturday, 19 October 1709 | Dia do Piauí |
| 10 | Saturday, 2 November 1709 | Finados |
| 11 | Friday, 15 November 1709 | Proclamação da República Brasileira |
| 12 | Wednesday, 25 December 1709 | Natal |