Reykjavik to Osório: time difference
Osório is 3 h behind Reykjavik. 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.
Reykjavik 18:00 6:00 PM Osório 15:00 3:00 PM You –:–
18:00 6:00 PM
Greenwich Mean Time · UTC+0
☀️ 08:15 · 🌙 18:14
15:00 3:00 PM
Brasilia Standard Time · UTC-3
☀️ 05:45 · 🌙 18:31
·
−3 h
Osório is 3 h behind Reykjavik.
When you, Reykjavik and Osório 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
🇧🇷 Osório
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 | 🇧🇷 Osório |
|---|---|---|
| Local time | 18:00 | 15:00 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 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 | 08:15 | 05:45 |
| Sunset | 18:14 | 18:31 |
| Daylight | 9 h 59 min | 12 h 45 min |
| People on this clock | 136,894 | 47,396 |
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 Osório: common questions
How far behind Reykjavik is Osório?
Osório is 3 hours behind Reykjavik: UTC−3 against UTC+0.
If it is 9:00 AM in Reykjavik, what time is it in Osório?
At 9:00 AM in Reykjavik, clocks in Osório show 6:00 AM.
What time is it in Osório when it is 6:00 PM in Reykjavik?
When it is 6:00 PM in Reykjavik, it is 3:00 PM in Osório.
Is there a time when both Reykjavik and Osório are at work?
Yes: from 12:00 PM to 6:00 PM in Reykjavik (9:00 AM to 3:00 PM in Osório), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Reykjavik is it still yesterday in Osório?
Before 3:00 AM in Reykjavik, the date in Osório has not changed yet. From 9:00 PM in Osório, it is already the next day in Reykjavik.
Is the time difference between Reykjavik and Osório the same all year?
Yes. Neither Reykjavik nor Osório switches to summer time, so the gap is always 3 hours.
