Reykjavik to Itu: time difference
Itu 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 05:15 5:15 AM Itu 02:15 2:15 AM You –:–
05:15 5:15 AM
Greenwich Mean Time · UTC+0
☀️ 08:39 · 🌙 17:47
02:15 2:15 AM
Brasilia Standard Time · UTC-3
☀️ 05:31 · 🌙 18:17
·
−3 h
Itu is 3 h behind Reykjavik.
When you, Reykjavik and Itu 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
🇧🇷 Itu
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 | 🇧🇷 Itu |
|---|---|---|
| Local time | 05:15 | 02:15 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 08:39 | 05:31 |
| Sunset | 17:47 | 18:17 |
| Daylight | 9 h 7 min | 12 h 46 min |
| People on this clock | 136,894 | 168,240 |
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 Itu: common questions
What is the time difference between Reykjavik and Itu?
Itu is 3 hours behind: it uses UTC−3, while Reykjavik is on UTC+0.
What time is it in Itu at the start of the working day in Reykjavik?
The working day in Reykjavik starts at 9:00 AM; in Itu it is 6:00 AM at that moment.
What time is it in Itu when it is 6:00 PM in Reykjavik?
When it is 6:00 PM in Reykjavik, it is 3:00 PM in Itu.
When do working hours in Reykjavik and in Itu overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Reykjavik, which is 9:00 AM to 3:00 PM in Itu.
Until what time in Reykjavik is it still yesterday in Itu?
Before 3:00 AM in Reykjavik, the date in Itu has not changed yet. From 9:00 PM in Itu, it is already the next day in Reykjavik.
Is the time difference between Reykjavik and Itu the same all year?
Yes. Neither Reykjavik nor Itu switches to summer time, so the gap is always 3 hours.
