| 1/1/1983, Sat | New Year's Day |
- Note
- Feriado nacional civil (Confraternizacao Universal).
|
| 1/23/1983, Sun | Dia do Evangelico |
- Note
- A state feriado for Acre.
|
| 2/14/1983, Mon | Carnival Monday |
- Note
- Bank closure day after 2 pm (Carnaval Segunda-Feira). Not a feriado nacional civil.
|
| 2/15/1983, Tue | Carnival Tuesday |
- Note
- Bank closure day after 2 pm (Carnaval Terca-Feira). Not a feriado nacional civil.
|
| 4/1/1983, Fri | Good Friday |
- Note
- Feriado nacional (Sexta-Feira Santa).
|
| 4/3/1983, Sun | Easter |
- Note
- A Christian religious observance. Not a Feriado nacional.
|
| 4/21/1983, Thu | Tiradentes |
- Note
- Feriado nacional civil (Tiradentes).
|
| 5/1/1983, Sun | Labour Day |
- Note
- Feriado nacional civil (Dia do Trabalho).
|
| 6/2/1983, Thu | Corpus Christi |
- Note
- Bank closure day (Corpus Christi). Not a feriado nacional civil.
|
| 6/15/1983, Wed | Aniversario do Acre |
- Note
- A state feriado for Acre.
|
| 9/7/1983, Wed | Independence Day |
- Note
- Feriado nacional civil (Independencia do Brasil).
|
| 10/12/1983, Wed | Our Lady Aparecida |
- Note
- Feriado nacional (Nossa Senhora Aparecida).
|
| 11/2/1983, Wed | All Soul's Day |
- Note
- Feriado nacional civil (Finados / Dia dos Mortos).
|
| 11/15/1983, Tue | Proclamation of the Republic |
- Note
- Feriado nacional civil (Proclamacao da Republica).
|
| 11/17/1983, Thu | Tratado de Petropolis |
- Note
- A state feriado for Acre.
|
| 11/20/1983, Sun | Black Awareness Day |
- Note
- Feriado nacional (Dia Nacional de Zumbi e da Consciencia Negra).
|
| 12/24/1983, Sat | Christmas Eve |
- Note
- Bank half-day after 2 pm (Vespera de Natal).
|
| 12/25/1983, Sun | Christmas Day |
- Note
- Feriado nacional civil (Natal).
|
| 12/28/1983, Wed | Aniversario de Rio Branco |
- Note
- A city-level feriado for Rio Branco.
|
| 12/31/1983, Sat | New Year's Eve |
- Note
- Bank half-day after 2 pm (Vespera de Ano Novo).
|