Offset
The time difference between Rio de Janeiro and Athens is 6 hours.
Rio de Janeiro (BRT) is behind Athens (EEST).
BRT: UTC-3
EEST: UTC+3
Athens is currently observing daylight saving time; Rio de Janeiro is not.
When to schedule
Business-hours overlap: 9 AM–11 AM in Rio de Janeiro (3 PM–5 PM in Athens).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Rio de Janeiro (4:00 PM Athens).
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
Greece
- New Year's DayThu, Jan 1
- EpiphanyTue, Jan 6
- Clean MondayMon, Feb 23
- AnnunciationWed, Mar 25
- Independence DayWed, Mar 25
- Good FridayFri, Apr 10
- Easter SundaySun, Apr 12
- Easter MondayMon, Apr 13
- Labour DayFri, May 1
- PentecostSun, May 31
- Whit MondayMon, Jun 1
- Assumption DaySat, Aug 15
- Ochi DayWed, Oct 28
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
About these zones
Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.
Athens uses Eastern European Time (EET, or EEST). To call Greece, dial +30.
Athens is approximately 6,050 miles northeast of Rio de Janeiro.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Rio de Janeiro | Athens | Day |
|---|---|---|
| 12:00 am | 6:00 am | Same day |
| 1:00 am | 7:00 am | Same day |
| 2:00 am | 8:00 am | Same day |
| 3:00 am | 9:00 am | Same day |
| 4:00 am | 10:00 am | Same day |
| 5:00 am | 11:00 am | Same day |
| 6:00 am | 12:00 pm | Same day |
| 7:00 am | 1:00 pm | Same day |
| 8:00 am | 2:00 pm | Same day |
| 9:00 am | 3:00 pm | Same day |
| 10:00 am | 4:00 pm | Same day |
| 11:00 am | 5:00 pm | Same day |
| 12:00 pm | 6:00 pm | Same day |
| 1:00 pm | 7:00 pm | Same day |
| 2:00 pm | 8:00 pm | Same day |
| 3:00 pm | 9:00 pm | Same day |
| 4:00 pm | 10:00 pm | Same day |
| 5:00 pm | 11:00 pm | Same day |
| 6:00 pm | 12:00 am | +1 day |
| 7:00 pm | 1:00 am | +1 day |
| 8:00 pm | 2:00 am | +1 day |
| 9:00 pm | 3:00 am | +1 day |
| 10:00 pm | 4:00 am | +1 day |
| 11:00 pm | 5:00 am | +1 day |
Daylight saving time
Athens observes daylight saving time; Rio de Janeiro does not. The offset between the two zones changes when Athens transitions: on Sunday, October 25, 2026, clocks fall back from EEST to EET.
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 46m
- Sunrise
- 6:03 AM
- Sunset
- 8:47 PM
- Day length
- 14h 43m
Daylight overlap: 8h 17m — 6:30 AM–2:47 PM in Rio de Janeiro (12:30 PM–8:47 PM in Athens). 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 Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Airports in Eastern European Time
- ATH
Related conversions
Common conversions
- What is 9:00 am Rio de Janeiro in Athens?
- 9:00 am Rio de Janeiro is 3:00 pm Athens.
- What is 12:00 pm Rio de Janeiro in Athens?
- 12:00 pm Rio de Janeiro is 6:00 pm Athens.
- What is 12:30 pm Rio de Janeiro in Athens?
- 12:30 pm Rio de Janeiro is 6:30 pm Athens.
- What is 2:00 pm Rio de Janeiro in Athens?
- 2:00 pm Rio de Janeiro is 8:00 pm Athens.
- What is 5:00 pm Rio de Janeiro in Athens?
- 5:00 pm Rio de Janeiro is 11:00 pm Athens.
- What is 11:30 pm Rio de Janeiro in Athens?
- 11:30 pm Rio de Janeiro is 5:30 am Athens, the next day.