Offset
The time difference between Oslo and Rio de Janeiro is 5 hours.
Oslo (CEST) is ahead of Rio de Janeiro (BRT).
CEST: UTC+2
BRT: UTC-3
Oslo is currently observing daylight saving time; Rio de Janeiro is not.
When to schedule
Business-hours overlap: 2 PM–5 PM in Oslo (9 AM–12 PM in Rio de Janeiro).
Both teams are in working hours during this window on weekdays.
Suggested time: 3:00 PM Oslo (10:00 AM Rio de Janeiro).
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.
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
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
Oslo uses Central European Time (CET, or CEST). To call Norway, dial +47.
Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.
Rio de Janeiro is approximately 6,500 miles southwest of Oslo.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Oslo | Rio de Janeiro | Day |
|---|---|---|
| 12:00 am | 7:00 pm | -1 day |
| 1:00 am | 8:00 pm | -1 day |
| 2:00 am | 9:00 pm | -1 day |
| 3:00 am | 10:00 pm | -1 day |
| 4:00 am | 11:00 pm | -1 day |
| 5:00 am | 12:00 am | Same day |
| 6:00 am | 1:00 am | Same day |
| 7:00 am | 2:00 am | Same day |
| 8:00 am | 3:00 am | Same day |
| 9:00 am | 4:00 am | Same day |
| 10:00 am | 5:00 am | Same day |
| 11:00 am | 6:00 am | Same day |
| 12:00 pm | 7:00 am | Same day |
| 1:00 pm | 8:00 am | Same day |
| 2:00 pm | 9:00 am | Same day |
| 3:00 pm | 10:00 am | Same day |
| 4:00 pm | 11:00 am | Same day |
| 5:00 pm | 12:00 pm | Same day |
| 6:00 pm | 1:00 pm | Same day |
| 7:00 pm | 2:00 pm | Same day |
| 8:00 pm | 3:00 pm | Same day |
| 9:00 pm | 4:00 pm | Same day |
| 10:00 pm | 5:00 pm | Same day |
| 11:00 pm | 6:00 pm | Same 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
- 4:00 AM
- Sunset
- 10:34 PM
- Day length
- 18h 34m
- Sunrise
- 6:30 AM
- Sunset
- 5:16 PM
- Day length
- 10h 46m
Daylight overlap: 10h 46m — 11:30 AM–10:16 PM in Oslo (6:30 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 Central European Time
- OSL
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Related conversions
Common conversions
- What is 9:00 am Oslo in Rio de Janeiro?
- 9:00 am Oslo is 4:00 am Rio de Janeiro.
- What is 12:00 pm Oslo in Rio de Janeiro?
- 12:00 pm Oslo is 7:00 am Rio de Janeiro.
- What is 12:30 pm Oslo in Rio de Janeiro?
- 12:30 pm Oslo is 7:30 am Rio de Janeiro.
- What is 2:00 pm Oslo in Rio de Janeiro?
- 2:00 pm Oslo is 9:00 am Rio de Janeiro.
- What is 5:00 pm Oslo in Rio de Janeiro?
- 5:00 pm Oslo is 12:00 pm Rio de Janeiro.
- What is 11:30 pm Oslo in Rio de Janeiro?
- 11:30 pm Oslo is 6:30 pm Rio de Janeiro.