Guarapuava to Reykjavik: time difference
Reykjavik is 3 h ahead of Guarapuava. 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.
Guarapuava 16:34 4:34 PM Reykjavik 19:34 7:34 PM You –:–
16:34 4:34 PM
Brasilia Standard Time · UTC-3
☀️ 05:49 · 🌙 18:34
19:34 7:34 PM
Greenwich Mean Time · UTC+0
☀️ 08:27 · 🌙 18:00
·
+3 h
Reykjavik is 3 h ahead of Guarapuava.
When you, Guarapuava 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
🇧🇷 Guarapuava
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 | 🇧🇷 Guarapuava | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 16:34 | 19:34 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Guarapuava | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:49 | 08:27 |
| Sunset | 18:34 | 18:00 |
| Daylight | 12 h 44 min | 9 h 33 min |
| People on this clock | 182,093 | 136,894 |
Compare Guarapuava with another city
More comparisons with Guarapuava: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Guarapuava and Reykjavik: common questions
How far ahead of Guarapuava is Reykjavik?
Reykjavik is 3 hours ahead of Guarapuava: UTC+0 against UTC−3.
What time is it in Reykjavik at the start of the working day in Guarapuava?
The working day in Guarapuava 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 Guarapuava?
The working day in Guarapuava ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
When is a good time to call Reykjavik from Guarapuava?
Between 9:00 AM and 3:00 PM in Guarapuava – that is 12:00 PM to 6:00 PM in Reykjavik – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Reykjavik compared with Guarapuava?
The new day starts in Reykjavik earlier: at 9:00 PM in Guarapuava it is already midnight there. Until 3:00 AM in Reykjavik, Guarapuava is still on the previous day.
Does the time gap between Guarapuava and Reykjavik change during the year?
No, the clocks change neither in Guarapuava nor in Reykjavik, so the gap is 3 hours all year round.
