Offset
The time difference between Rio de Janeiro and Atlanta is 1 hour.
Rio de Janeiro (BRT) is ahead of Atlanta (EDT).
BRT: UTC-3
EDT: UTC-4
Atlanta is currently observing daylight saving time; Rio de Janeiro is not.
When to schedule
Business-hours overlap: 10 AM–5 PM in Rio de Janeiro (9 AM–4 PM in Atlanta).
Both teams are in working hours during this window on weekdays.
Suggested time: 1:00 PM Rio de Janeiro (12:00 PM Atlanta).
This window may shift by an hour during daylight saving time.
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.
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
United States
- New Year's DayThu, Jan 1
- Martin Luther King, Jr. DayMon, Jan 19
- Presidents DayMon, Feb 16
- Memorial DayMon, May 25
- Juneteenth National Independence DayFri, Jun 19
- Independence DayFri, Jul 3
- Labour DayMon, Sep 7
- Columbus DayMon, Oct 12
- Veterans DayWed, Nov 11
- Thanksgiving DayThu, Nov 26
- Christmas DayFri, Dec 25
About these zones
Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.
Atlanta uses Eastern Time (EST, or EDT). To call United States, dial +1.
Atlanta is approximately 4,750 miles northwest of Rio de Janeiro.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Rio de Janeiro | Atlanta | Day |
|---|---|---|
| 12:00 am | 11:00 pm | -1 day |
| 1:00 am | 12:00 am | Same day |
| 2:00 am | 1:00 am | Same day |
| 3:00 am | 2:00 am | Same day |
| 4:00 am | 3:00 am | Same day |
| 5:00 am | 4:00 am | Same day |
| 6:00 am | 5:00 am | Same day |
| 7:00 am | 6:00 am | Same day |
| 8:00 am | 7:00 am | Same day |
| 9:00 am | 8:00 am | Same day |
| 10:00 am | 9:00 am | Same day |
| 11:00 am | 10:00 am | Same day |
| 12:00 pm | 11:00 am | Same day |
| 1:00 pm | 12:00 pm | Same day |
| 2:00 pm | 1:00 pm | Same day |
| 3:00 pm | 2:00 pm | Same day |
| 4:00 pm | 3:00 pm | Same day |
| 5:00 pm | 4:00 pm | Same day |
| 6:00 pm | 5:00 pm | Same day |
| 7:00 pm | 6:00 pm | Same day |
| 8:00 pm | 7:00 pm | Same day |
| 9:00 pm | 8:00 pm | Same day |
| 10:00 pm | 9:00 pm | Same day |
| 11:00 pm | 10:00 pm | Same day |
Daylight saving time
Atlanta observes daylight saving time; Rio de Janeiro does not. The offset between the two zones changes when Atlanta transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:30 AM
- Sunset
- 5:16 PM
- Day length
- 10h 45m
- Sunrise
- 6:27 AM
- Sunset
- 8:48 PM
- Day length
- 14h 21m
Daylight overlap: 9h 48m — 7:27 AM–5:16 PM in Rio de Janeiro (6:27 AM–4:16 PM in Atlanta). Both locations are in daylight during this window.
Cities in these zones
Other cities in Brasilia Time
Other cities in Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Airports in Eastern Time
- EWR
- HPN
- JFK
- LGA
- TEB
- ILG
- PHL
- TTN
- CLT
- USA
Related conversions
Common conversions
- What is 9:00 am Rio de Janeiro in Atlanta?
- 9:00 am Rio de Janeiro is 8:00 am Atlanta.
- What is 12:00 pm Rio de Janeiro in Atlanta?
- 12:00 pm Rio de Janeiro is 11:00 am Atlanta.
- What is 12:30 pm Rio de Janeiro in Atlanta?
- 12:30 pm Rio de Janeiro is 11:30 am Atlanta.
- What is 2:00 pm Rio de Janeiro in Atlanta?
- 2:00 pm Rio de Janeiro is 1:00 pm Atlanta.
- What is 5:00 pm Rio de Janeiro in Atlanta?
- 5:00 pm Rio de Janeiro is 4:00 pm Atlanta.
- What is 11:30 pm Rio de Janeiro in Atlanta?
- 11:30 pm Rio de Janeiro is 10:30 pm Atlanta.