Public holidays
1645, Portugal, Lisboa
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1645 | Ano Novo |
| 2 | Friday, 14 April 1645 | Sexta-Feira Santa |
| 3 | Tuesday, 25 April 1645 | Dia da Liberdade |
| 4 | Monday, 1 May 1645 | Dia do Trabalhador |
| 5 | Saturday, 10 June 1645 | Dia de Portugal |
| 6 | Tuesday, 13 June 1645 | Dia de Santo António |
| 7 | Thursday, 15 June 1645 | Corpo de Deus |
| 8 | Tuesday, 15 August 1645 | Assunção |
| 9 | Thursday, 5 October 1645 | Implantação República |
| 10 | Wednesday, 1 November 1645 | Todos os Santos |
| 11 | Friday, 1 December 1645 | Independência |
| 12 | Friday, 8 December 1645 | Imaculada Conceição |
| 13 | Monday, 25 December 1645 | Natal |