Offset
There is no time difference between Buenos Aires and Rio de Janeiro.
Buenos Aires (ART) is currently the same time as Rio de Janeiro (BRT).
ART: UTC-3
BRT: UTC-3
Neither Buenos Aires nor Rio de Janeiro is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–5 PM in Buenos Aires (9 AM–5 PM in Rio de Janeiro).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Buenos Aires (1:00 PM Rio de Janeiro).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Argentina
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Day of Remembrance for Truth and JusticeTue, Mar 24
- Day of the Veterans and Fallen of the Malvinas WarThu, Apr 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- May RevolutionMon, May 25
- Anniversary of the Passing of General Martín Miguel de GüemesMon, Jun 15
- General Manuel Belgrano Memorial DaySat, Jun 20
- Independence DayThu, Jul 9
- General José de San Martín Memorial DayMon, Aug 17
- Day of Respect for Cultural DiversityMon, Oct 12
- National Sovereignty DayMon, Nov 23
- Immaculate Conception DayTue, Dec 8
- Christmas DayFri, Dec 25
Brazil
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- TiradentesTue, Apr 21
- Labour DayFri, May 1
- Corpus ChristiThu, Jun 4
- Independence DayMon, Sep 7
- Our Lady of AparecidaMon, Oct 12
- All Souls' DayMon, Nov 2
- Republic Proclamation DaySun, Nov 15
- Black Awareness DayFri, Nov 20
- Christmas DayFri, Dec 25
About these zones
Buenos Aires uses Argentina Time (ART). To call Argentina, dial +54.
Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.
Rio de Janeiro is approximately 1,200 miles northeast of Buenos Aires.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Buenos Aires | Rio de Janeiro | Day |
|---|---|---|
| 12:00 am | 12:00 am | Same day |
| 1:00 am | 1:00 am | Same day |
| 2:00 am | 2:00 am | Same day |
| 3:00 am | 3:00 am | Same day |
| 4:00 am | 4:00 am | Same day |
| 5:00 am | 5:00 am | Same day |
| 6:00 am | 6:00 am | Same day |
| 7:00 am | 7:00 am | Same day |
| 8:00 am | 8:00 am | Same day |
| 9:00 am | 9:00 am | Same day |
| 10:00 am | 10:00 am | Same day |
| 11:00 am | 11:00 am | Same day |
| 12:00 pm | 12:00 pm | Same day |
| 1:00 pm | 1:00 pm | Same day |
| 2:00 pm | 2:00 pm | Same day |
| 3:00 pm | 3:00 pm | Same day |
| 4:00 pm | 4:00 pm | Same day |
| 5:00 pm | 5:00 pm | Same day |
| 6:00 pm | 6:00 pm | Same day |
| 7:00 pm | 7:00 pm | Same day |
| 8:00 pm | 8:00 pm | Same day |
| 9:00 pm | 9:00 pm | Same day |
| 10:00 pm | 10:00 pm | Same day |
| 11:00 pm | 11:00 pm | Same day |
Daylight saving time
Neither Buenos Aires nor Rio de Janeiro observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 7:55 AM
- Sunset
- 5:51 PM
- Day length
- 9h 56m
- Sunrise
- 6:29 AM
- Sunset
- 5:16 PM
- Day length
- 10h 47m
Daylight overlap: 9h 21m — 7:55 AM–5:16 PM in Buenos Aires (7:55 AM–5:16 PM in Rio de Janeiro). Both locations are in daylight during this window.
Cities in these zones
Other cities in Brasilia Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Argentina Time
- AEP
- EZE
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Related conversions
Common conversions
- What is 9:00 am Buenos Aires in Rio de Janeiro?
- 9:00 am Buenos Aires is 9:00 am Rio de Janeiro.
- What is 12:00 pm Buenos Aires in Rio de Janeiro?
- 12:00 pm Buenos Aires is 12:00 pm Rio de Janeiro.
- What is 12:30 pm Buenos Aires in Rio de Janeiro?
- 12:30 pm Buenos Aires is 12:30 pm Rio de Janeiro.
- What is 2:00 pm Buenos Aires in Rio de Janeiro?
- 2:00 pm Buenos Aires is 2:00 pm Rio de Janeiro.
- What is 5:00 pm Buenos Aires in Rio de Janeiro?
- 5:00 pm Buenos Aires is 5:00 pm Rio de Janeiro.
- What is 11:30 pm Buenos Aires in Rio de Janeiro?
- 11:30 pm Buenos Aires is 11:30 pm Rio de Janeiro.