Public holidays
1638, Brasil, Pará
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1638 | New Year's Day |
| 2 | Tuesday, 16 February 1638 | Carnival Tuesday |
| 3 | Friday, 2 April 1638 | Good Friday |
| 4 | Wednesday, 21 April 1638 | Tiradentes Day |
| 5 | Saturday, 1 May 1638 | Labour Day |
| 6 | Thursday, 3 June 1638 | Corpus Christi |
| 7 | Sunday, 15 August 1638 | Pará's Accession to Brazilian Independence |
| 8 | Tuesday, 7 September 1638 | Independence Day |
| 9 | Tuesday, 12 October 1638 | Our Lady of Aparecida |
| 10 | Tuesday, 2 November 1638 | All Souls' Day |
| 11 | Monday, 15 November 1638 | Republic Proclamation Day |
| 12 | Saturday, 25 December 1638 | Christmas Day |