Brasilia to Reykjavik: time difference
Reykjavik is 3 h ahead of Brasilia. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Brasilia 08:52 8:52 AM Reykjavik 11:52 11:52 AM You –:–
08:52 8:52 AM
Brasilia Standard Time · UTC-3
☀️ 05:48 · 🌙 18:10
11:52 11:52 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
·
+3 h
Reykjavik is 3 h ahead of Brasilia.
When you, Brasilia and Reykjavik are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Brasilia
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇮🇸 Reykjavik
3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Brasilia | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 08:52 | 11:52 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Brasilia | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:48 | 08:03 |
| Sunset | 18:10 | 18:28 |
| Daylight | 12 h 22 min | 10 h 25 min |
| People on this clock | 2,817,381 | 136,894 |
Compare Brasilia with another city
More comparisons with Brasilia: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Brasilia and Reykjavik: common questions
How many hours ahead of Brasilia is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in Brasilia (UTC+0 and UTC−3).
What time is it in Reykjavik at the start of the working day in Brasilia?
The working day in Brasilia starts at 9:00 AM; in Reykjavik it is 12:00 PM at that moment.
What time is it in Reykjavik at the end of the working day in Brasilia?
The working day in Brasilia ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
When is a good time to call Reykjavik from Brasilia?
Between 9:00 AM and 3:00 PM in Brasilia – that is 12:00 PM to 6:00 PM in Reykjavik – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Reykjavik?
From 9:00 PM in Brasilia it is already the next day in Reykjavik. The other way round, until 3:00 AM in Reykjavik it is still the previous day in Brasilia.
Does the time difference between Brasilia and Reykjavik change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
