Public holidays
1668, Portugal, Feriados Nacionais
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1668 | Ano Novo |
| 2 | Friday, 30 March 1668 | Sexta-Feira Santa |
| 3 | Wednesday, 25 April 1668 | Dia da Liberdade |
| 4 | Tuesday, 1 May 1668 | Dia do Trabalhador |
| 5 | Thursday, 31 May 1668 | Corpo de Deus |
| 6 | Sunday, 10 June 1668 | Dia de Portugal |
| 7 | Wednesday, 15 August 1668 | Assunção |
| 8 | Friday, 5 October 1668 | Implantação República |
| 9 | Thursday, 1 November 1668 | Todos os Santos |
| 10 | Saturday, 1 December 1668 | Independência |
| 11 | Saturday, 8 December 1668 | Imaculada Conceição |
| 12 | Tuesday, 25 December 1668 | Natal |