Public holidays
1640, Brasil, Feriados nacionais legais
| # | Date | Public holiday |
|---|---|---|
| 1 | Sunday, 1 January 1640 | New Year's Day |
| 2 | Saturday, 21 April 1640 | Tiradentes Day |
| 3 | Tuesday, 1 May 1640 | Labour Day |
| 4 | Friday, 7 September 1640 | Independence Day |
| 5 | Friday, 12 October 1640 | Our Lady of Aparecida |
| 6 | Thursday, 15 November 1640 | Republic Proclamation Day |
| 7 | Tuesday, 25 December 1640 | Christmas Day |