Public holidays
1666, Brasil, Ceará
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1666 | Confraternização Universal |
| 2 | Tuesday, 2 March 1666 | Terça-feira de Carnaval |
| 3 | Thursday, 25 March 1666 | Data magna do estado Ceará |
| 4 | Friday, 16 April 1666 | Sexta Feira Santa ou Paixão de Cristo |
| 5 | Wednesday, 21 April 1666 | Tiradentes |
| 6 | Saturday, 1 May 1666 | Dia do Trabalho |
| 7 | Thursday, 17 June 1666 | Corpus Christi |
| 8 | Tuesday, 7 September 1666 | Independência do Brasil |
| 9 | Tuesday, 12 October 1666 | Nossa Senhora Aparecida |
| 10 | Tuesday, 2 November 1666 | Finados |
| 11 | Monday, 15 November 1666 | Proclamação da República Brasileira |
| 12 | Saturday, 25 December 1666 | Natal |