Public holidays
1671, Brasil, Acre
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1671 | New Year's Day |
| 2 | Tuesday, 10 February 1671 | Carnival Tuesday |
| 3 | Friday, 27 March 1671 | Good Friday |
| 4 | Tuesday, 21 April 1671 | Tiradentes Day |
| 5 | Friday, 1 May 1671 | Labour Day |
| 6 | Thursday, 28 May 1671 | Corpus Christi |
| 7 | Saturday, 5 September 1671 | Amazon Day |
| 8 | Monday, 7 September 1671 | Independence Day |
| 9 | Monday, 12 October 1671 | Our Lady of Aparecida |
| 10 | Monday, 2 November 1671 | All Souls' Day |
| 11 | Sunday, 15 November 1671 | Republic Proclamation Day |
| 12 | Tuesday, 17 November 1671 | Signing of the Treaty of Petrópolis |
| 13 | Friday, 25 December 1671 | Christmas Day |