Public holidays
1661, Brasil, Rondônia
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1661 | New Year's Day |
| 2 | Tuesday, 4 January 1661 | Creation of the State of Rondônia |
| 3 | Tuesday, 1 March 1661 | Carnival Tuesday |
| 4 | Friday, 15 April 1661 | Good Friday |
| 5 | Thursday, 21 April 1661 | Tiradentes Day |
| 6 | Sunday, 1 May 1661 | Labour Day |
| 7 | Thursday, 16 June 1661 | Corpus Christi |
| 8 | Wednesday, 7 September 1661 | Independence Day |
| 9 | Wednesday, 12 October 1661 | Our Lady of Aparecida |
| 10 | Wednesday, 2 November 1661 | All Souls' Day |
| 11 | Tuesday, 15 November 1661 | Republic Proclamation Day |
| 12 | Sunday, 25 December 1661 | Christmas Day |