Atibaia to Reykjavik: time difference
Reykjavik is 3 h ahead of Atibaia. 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.
Atibaia 07:09 7:09 AM Reykjavik 10:09 10:09 AM You –:–
07:09 7:09 AM
Brasilia Standard Time · UTC-3
☀️ 05:35 · 🌙 18:11
10:09 10:09 AM
Greenwich Mean Time · UTC+0
☀️ 08:15 · 🌙 18:14
·
+3 h
Reykjavik is 3 h ahead of Atibaia.
When you, Atibaia 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
🇧🇷 Atibaia
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 | 🇧🇷 Atibaia | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 07:09 | 10:09 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Atibaia | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:35 | 08:15 |
| Sunset | 18:11 | 18:14 |
| Daylight | 12 h 35 min | 9 h 59 min |
| People on this clock | 158,647 | 136,894 |
Compare Atibaia with another city
More comparisons with Atibaia: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Atibaia and Reykjavik: common questions
How far ahead of Atibaia is Reykjavik?
Reykjavik is 3 hours ahead of Atibaia: UTC+0 against UTC−3.
If it is 9:00 AM in Atibaia, what time is it in Reykjavik?
At 9:00 AM in Atibaia, clocks in Reykjavik show 12:00 PM.
What time is it in Reykjavik at the end of the working day in Atibaia?
The working day in Atibaia ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
When is a good time to call Reykjavik from Atibaia?
Between 9:00 AM and 3:00 PM in Atibaia – that is 12:00 PM to 6:00 PM in Reykjavik – both places are within working hours (9:00 AM–6:00 PM).
From what time in Atibaia is it tomorrow in Reykjavik?
Once it is 9:00 PM in Atibaia, the date in Reykjavik has already changed. Until 3:00 AM in Reykjavik, it is still the previous day in Atibaia.
Does the time gap between Atibaia and Reykjavik change during the year?
No, the clocks change neither in Atibaia nor in Reykjavik, so the gap is 3 hours all year round.
