Public holidays
1670, Brasil, Feriados nacionais
| # | Date | Public holiday |
|---|---|---|
| 1 | Wednesday, 1 January 1670 | New Year's Day |
| 2 | Tuesday, 18 February 1670 | Carnival Tuesday |
| 3 | Friday, 4 April 1670 | Good Friday |
| 4 | Monday, 21 April 1670 | Tiradentes Day |
| 5 | Thursday, 1 May 1670 | Labour Day |
| 6 | Thursday, 5 June 1670 | Corpus Christi |
| 7 | Sunday, 7 September 1670 | Independence Day |
| 8 | Sunday, 12 October 1670 | Our Lady of Aparecida |
| 9 | Sunday, 2 November 1670 | All Souls' Day |
| 10 | Saturday, 15 November 1670 | Republic Proclamation Day |
| 11 | Thursday, 25 December 1670 | Christmas Day |