Public holidays
1991, Portugal, Lisboa
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1991 | Ano Novo |
| 2 | Friday, 29 March 1991 | Sexta-Feira Santa |
| 3 | Thursday, 25 April 1991 | Dia da Liberdade |
| 4 | Wednesday, 1 May 1991 | Dia do Trabalhador |
| 5 | Thursday, 30 May 1991 | Corpo de Deus |
| 6 | Monday, 10 June 1991 | Dia de Portugal |
| 7 | Thursday, 13 June 1991 | Dia de Santo António |
| 8 | Thursday, 15 August 1991 | Assunção |
| 9 | Saturday, 5 October 1991 | Implantação República |
| 10 | Friday, 1 November 1991 | Todos os Santos |
| 11 | Sunday, 1 December 1991 | Independência |
| 12 | Sunday, 8 December 1991 | Imaculada Conceição |
| 13 | Wednesday, 25 December 1991 | Natal |