Public holidays
1657, Portugal, Feriados Nacionais
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1657 | Ano Novo |
| 2 | Friday, 30 March 1657 | Sexta-Feira Santa |
| 3 | Wednesday, 25 April 1657 | Dia da Liberdade |
| 4 | Tuesday, 1 May 1657 | Dia do Trabalhador |
| 5 | Thursday, 31 May 1657 | Corpo de Deus |
| 6 | Sunday, 10 June 1657 | Dia de Portugal |
| 7 | Wednesday, 15 August 1657 | Assunção |
| 8 | Friday, 5 October 1657 | Implantação República |
| 9 | Thursday, 1 November 1657 | Todos os Santos |
| 10 | Saturday, 1 December 1657 | Independência |
| 11 | Saturday, 8 December 1657 | Imaculada Conceição |
| 12 | Tuesday, 25 December 1657 | Natal |