| 1/1/1980, Tue | New Year's Day |
- Note
- Feriado nacional civil (Confraternizacao Universal).
|
| 1/23/1980, Wed | Dia do Evangelico |
- Note
- A state feriado for Acre.
|
| 2/18/1980, Mon | Carnival Monday |
- Note
- Bank closure day after 2 pm (Carnaval Segunda-Feira). Not a feriado nacional civil.
|
| 2/19/1980, Tue | Carnival Tuesday |
- Note
- Bank closure day after 2 pm (Carnaval Terca-Feira). Not a feriado nacional civil.
|
| 4/4/1980, Fri | Good Friday |
- Note
- Feriado nacional (Sexta-Feira Santa).
|
| 4/6/1980, Sun | Easter |
- Note
- A Christian religious observance. Not a Feriado nacional.
|
| 4/21/1980, Mon | Tiradentes |
- Note
- Feriado nacional civil (Tiradentes).
|
| 5/1/1980, Thu | Labour Day |
- Note
- Feriado nacional civil (Dia do Trabalho).
|
| 6/5/1980, Thu | Corpus Christi |
- Note
- Bank closure day (Corpus Christi). Not a feriado nacional civil.
|
| 6/15/1980, Sun | Aniversario do Acre |
- Note
- A state feriado for Acre.
|
| 9/7/1980, Sun | Independence Day |
- Note
- Feriado nacional civil (Independencia do Brasil).
|
| 10/12/1980, Sun | Our Lady Aparecida |
- Note
- Feriado nacional (Nossa Senhora Aparecida).
|
| 11/2/1980, Sun | All Soul's Day |
- Note
- Feriado nacional civil (Finados / Dia dos Mortos).
|
| 11/15/1980, Sat | Proclamation of the Republic |
- Note
- Feriado nacional civil (Proclamacao da Republica).
|
| 11/17/1980, Mon | Tratado de Petropolis |
- Note
- A state feriado for Acre.
|
| 11/20/1980, Thu | Black Awareness Day |
- Note
- Feriado nacional (Dia Nacional de Zumbi e da Consciencia Negra).
|
| 12/24/1980, Wed | Christmas Eve |
- Note
- Bank half-day after 2 pm (Vespera de Natal).
|
| 12/25/1980, Thu | Christmas Day |
- Note
- Feriado nacional civil (Natal).
|
| 12/28/1980, Sun | Aniversario de Rio Branco |
- Note
- A city-level feriado for Rio Branco.
|
| 12/31/1980, Wed | New Year's Eve |
- Note
- Bank half-day after 2 pm (Vespera de Ano Novo).
|