Guararema to Reykjavik: time difference
Reykjavik is 3 h ahead of Guararema. 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.
Guararema 19:52 7:52 PM Reykjavik 22:52 10:52 PM You –:–
19:52 7:52 PM
Brasilia Standard Time · UTC-3
☀️ 05:27 · 🌙 18:12
22:52 10:52 PM
Greenwich Mean Time · UTC+0
☀️ 08:36 · 🌙 17:50
·
+3 h
Reykjavik is 3 h ahead of Guararema.
When you, Guararema 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
🇧🇷 Guararema
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 | 🇧🇷 Guararema | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 19:52 | 22:52 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Guararema | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:27 | 08:36 |
| Sunset | 18:12 | 17:50 |
| Daylight | 12 h 45 min | 9 h 14 min |
| People on this clock | 31,236 | 136,894 |
Compare Guararema with another city
More comparisons with Guararema: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Guararema and Reykjavik: common questions
How far ahead of Guararema is Reykjavik?
Reykjavik is 3 hours ahead of Guararema: UTC+0 against UTC−3.
If it is 9:00 AM in Guararema, what time is it in Reykjavik?
At 9:00 AM in Guararema, clocks in Reykjavik show 12:00 PM.
What time is it in Reykjavik at the end of the working day in Guararema?
The working day in Guararema ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
Is there a time when both Guararema and Reykjavik are at work?
Yes: from 9:00 AM to 3:00 PM in Guararema (12:00 PM to 6:00 PM in Reykjavik), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Reykjavik?
From 9:00 PM in Guararema 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 Guararema.
Is the time difference between Guararema and Reykjavik the same all year?
Yes. Neither Guararema nor Reykjavik switches to summer time, so the gap is always 3 hours.
