Reykjavik to Teresopolis: time difference
Teresopolis is 3 h behind Reykjavik. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Reykjavik 07:43 7:43 AM Teresopolis 04:43 4:43 AM You –:–
07:43 7:43 AM
Greenwich Mean Time · UTC+0
☀️ 08:30 · 🌙 17:57
04:43 4:43 AM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 17:58
·
−3 h
Teresopolis is 3 h behind Reykjavik.
When you, Reykjavik and Teresopolis are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇸 Reykjavik
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
🇧🇷 Teresopolis
21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇸 Reykjavik | 🇧🇷 Teresopolis |
|---|---|---|
| Local time | 07:43 | 04:43 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Greenwich Mean Time | Brasilia Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Reykjavik | — | −3 h |
| IANA zone | Atlantic/Reykjavik | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:30 | 05:17 |
| Sunset | 17:57 | 17:58 |
| Daylight | 9 h 27 min | 12 h 41 min |
| People on this clock | 136,894 | 165,123 |
Compare Reykjavik with another city
More comparisons with Reykjavik: the time zones next to it and the far side of the clock.
Big time differences
Reykjavik and Teresopolis: common questions
What is the time difference between Reykjavik and Teresopolis?
Teresopolis is 3 hours behind: it uses UTC−3, while Reykjavik is on UTC+0.
What time is it in Teresopolis when it is 9:00 AM in Reykjavik?
When it is 9:00 AM in Reykjavik, it is 6:00 AM in Teresopolis.
If it is 6:00 PM in Reykjavik, what time is it in Teresopolis?
At 6:00 PM in Reykjavik, clocks in Teresopolis show 3:00 PM.
Is there a time when both Reykjavik and Teresopolis are at work?
Yes: from 12:00 PM to 6:00 PM in Reykjavik (9:00 AM to 3:00 PM in Teresopolis), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Teresopolis?
Until 3:00 AM in Reykjavik it is still the previous day in Teresopolis. The other way round, from 9:00 PM in Teresopolis it is already the next day in Reykjavik.
Does the time gap between Reykjavik and Teresopolis change during the year?
No, the clocks change neither in Reykjavik nor in Teresopolis, so the gap is 3 hours all year round.
