Public holidays
1687, Brasil, Piauí
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1687 | Confraternização Universal |
| 2 | Tuesday, 11 February 1687 | Terça-feira de Carnaval |
| 3 | Friday, 28 March 1687 | Sexta Feira Santa ou Paixão de Cristo |
| 4 | Monday, 21 April 1687 | Tiradentes |
| 5 | Thursday, 1 May 1687 | Dia do Trabalho |
| 6 | Thursday, 29 May 1687 | Corpus Christi |
| 7 | Sunday, 7 September 1687 | Independência do Brasil |
| 8 | Sunday, 12 October 1687 | Nossa Senhora Aparecida |
| 9 | Sunday, 19 October 1687 | Dia do Piauí |
| 10 | Sunday, 2 November 1687 | Finados |
| 11 | Saturday, 15 November 1687 | Proclamação da República Brasileira |
| 12 | Thursday, 25 December 1687 | Natal |