Public holidays
1997, Portugal, Porto
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1997 | Ano Novo |
| 2 | Friday, 28 March 1997 | Sexta-Feira Santa |
| 3 | Friday, 25 April 1997 | Dia da Liberdade |
| 4 | Thursday, 1 May 1997 | Dia do Trabalhador |
| 5 | Thursday, 29 May 1997 | Corpo de Deus |
| 6 | Tuesday, 10 June 1997 | Dia de Portugal |
| 7 | Tuesday, 24 June 1997 | Dia de São João |
| 8 | Friday, 15 August 1997 | Assunção |
| 9 | Sunday, 5 October 1997 | Implantação República |
| 10 | Saturday, 1 November 1997 | Todos os Santos |
| 11 | Monday, 1 December 1997 | Independência |
| 12 | Monday, 8 December 1997 | Imaculada Conceição |
| 13 | Thursday, 25 December 1997 | Natal |