Offset
The time difference between Rio de Janeiro and Oslo is 5 hours.
Rio de Janeiro (BRT) is behind Oslo (CEST).
BRT: UTC-3
CEST: UTC+2
Oslo is currently observing daylight saving time; Rio de Janeiro is not.
When to schedule
Business-hours overlap: 9 AM–12 PM in Rio de Janeiro (2 PM–5 PM in Oslo).
Both teams are in working hours during this window on weekdays.
Suggested time: 10:00 AM Rio de Janeiro (3:00 PM Oslo).
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
Norway
- New Year's DayThu, Jan 1
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- Labour DayFri, May 1
- Ascension DayThu, May 14
- Constitution DaySun, May 17
- PentecostSun, May 24
- Whit MondayMon, May 25
- 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.
Oslo uses Central European Time (CET, or CEST). To call Norway, dial +47.
Oslo is approximately 6,500 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 | Oslo | Day |
|---|---|---|
| 12:00 am | 5:00 am | Same day |
| 1:00 am | 6:00 am | Same day |
| 2:00 am | 7:00 am | Same day |
| 3:00 am | 8:00 am | Same day |
| 4:00 am | 9:00 am | Same day |
| 5:00 am | 10:00 am | Same day |
| 6:00 am | 11:00 am | Same day |
| 7:00 am | 12:00 pm | Same day |
| 8:00 am | 1:00 pm | Same day |
| 9:00 am | 2:00 pm | Same day |
| 10:00 am | 3:00 pm | Same day |
| 11:00 am | 4:00 pm | Same day |
| 12:00 pm | 5:00 pm | Same day |
| 1:00 pm | 6:00 pm | Same day |
| 2:00 pm | 7:00 pm | Same day |
| 3:00 pm | 8:00 pm | Same day |
| 4:00 pm | 9:00 pm | Same day |
| 5:00 pm | 10:00 pm | Same day |
| 6:00 pm | 11:00 pm | Same day |
| 7:00 pm | 12:00 am | +1 day |
| 8:00 pm | 1:00 am | +1 day |
| 9:00 pm | 2:00 am | +1 day |
| 10:00 pm | 3:00 am | +1 day |
| 11:00 pm | 4:00 am | +1 day |
Daylight saving time
Oslo observes daylight saving time; Rio de Janeiro does not. The offset between the two zones changes when Oslo transitions: on Sunday, October 25, 2026, clocks fall back from CEST to CET.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:29 AM
- Sunset
- 5:16 PM
- Day length
- 10h 46m
- Sunrise
- 4:00 AM
- Sunset
- 10:34 PM
- Day length
- 18h 34m
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 Central European Time
- OSL
Related conversions
Common conversions
- What is 9:00 am Rio de Janeiro in Oslo?
- 9:00 am Rio de Janeiro is 2:00 pm Oslo.
- What is 12:00 pm Rio de Janeiro in Oslo?
- 12:00 pm Rio de Janeiro is 5:00 pm Oslo.
- What is 12:30 pm Rio de Janeiro in Oslo?
- 12:30 pm Rio de Janeiro is 5:30 pm Oslo.
- What is 2:00 pm Rio de Janeiro in Oslo?
- 2:00 pm Rio de Janeiro is 7:00 pm Oslo.
- What is 5:00 pm Rio de Janeiro in Oslo?
- 5:00 pm Rio de Janeiro is 10:00 pm Oslo.
- What is 11:30 pm Rio de Janeiro in Oslo?
- 11:30 pm Rio de Janeiro is 4:30 am Oslo, the next day.