Offset
The time difference between Reykjavík and Rio de Janeiro is 3 hours.
Reykjavík (GMT) is ahead of Rio de Janeiro (BRT).
GMT: UTC
BRT: UTC-3
Neither Reykjavík nor Rio de Janeiro is currently observing daylight saving time.
When to schedule
Business-hours overlap: 12 PM–5 PM in Reykjavík (9 AM–2 PM in Rio de Janeiro).
Both teams are in working hours during this window on weekdays.
Suggested time: 2:00 PM Reykjavík (11:00 AM 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.
Iceland
- New Year's DayThu, Jan 1
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Easter MondayMon, Apr 6
- First Day of SummerThu, Apr 23
- May DayFri, May 1
- Ascension DayThu, May 14
- PentecostSun, May 24
- Whit MondayMon, May 25
- Icelandic National DayWed, Jun 17
- Commerce DayMon, Aug 3
- Christmas EveThu, Dec 24
- Christmas DayFri, Dec 25
- St. Stephen's DaySat, Dec 26
- New Year's EveThu, Dec 31
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
Reykjavík uses Greenwich Mean Time. To call Iceland, dial +354.
Rio de Janeiro uses Brasilia Time (BRT). To call Brazil, dial +55.
Rio de Janeiro is approximately 6,100 miles south of Reykjavík.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Reykjavík | Rio de Janeiro | Day |
|---|---|---|
| 12:00 am | 9:00 pm | -1 day |
| 1:00 am | 10:00 pm | -1 day |
| 2:00 am | 11:00 pm | -1 day |
| 3:00 am | 12:00 am | Same day |
| 4:00 am | 1:00 am | Same day |
| 5:00 am | 2:00 am | Same day |
| 6:00 am | 3:00 am | Same day |
| 7:00 am | 4:00 am | Same day |
| 8:00 am | 5:00 am | Same day |
| 9:00 am | 6:00 am | Same day |
| 10:00 am | 7:00 am | Same day |
| 11:00 am | 8:00 am | Same day |
| 12:00 pm | 9:00 am | Same day |
| 1:00 pm | 10:00 am | Same day |
| 2:00 pm | 11:00 am | Same day |
| 3:00 pm | 12:00 pm | Same day |
| 4:00 pm | 1:00 pm | Same day |
| 5:00 pm | 2:00 pm | Same day |
| 6:00 pm | 3:00 pm | Same day |
| 7:00 pm | 4:00 pm | Same day |
| 8:00 pm | 5:00 pm | Same day |
| 9:00 pm | 6:00 pm | Same day |
| 10:00 pm | 7:00 pm | Same day |
| 11:00 pm | 8:00 pm | Same day |
Daylight saving time
Neither Reykjavík 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
- 3:08 AM
- Sunset
- 11:47 PM
- Day length
- 20h 38m
- Sunrise
- 6:30 AM
- Sunset
- 5:16 PM
- Day length
- 10h 46m
Daylight overlap: 10h 46m — 9:30 AM–8:16 PM in Reykjavík (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 Greenwich Mean Time
- KEF
- RKV
Airports in Brasilia Time
- CGH
- GRU
- GIG
- SDU
- CNF
- BSB
- CWB
- GYN
- POA
Related conversions
Common conversions
- What is 9:00 am Reykjavík in Rio de Janeiro?
- 9:00 am Reykjavík is 6:00 am Rio de Janeiro.
- What is 12:00 pm Reykjavík in Rio de Janeiro?
- 12:00 pm Reykjavík is 9:00 am Rio de Janeiro.
- What is 12:30 pm Reykjavík in Rio de Janeiro?
- 12:30 pm Reykjavík is 9:30 am Rio de Janeiro.
- What is 2:00 pm Reykjavík in Rio de Janeiro?
- 2:00 pm Reykjavík is 11:00 am Rio de Janeiro.
- What is 5:00 pm Reykjavík in Rio de Janeiro?
- 5:00 pm Reykjavík is 2:00 pm Rio de Janeiro.
- What is 11:30 pm Reykjavík in Rio de Janeiro?
- 11:30 pm Reykjavík is 8:30 pm Rio de Janeiro.