Reykjavik to Jacareí: time difference
Jacareí 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 16:14 4:14 PM Jacareí 13:14 1:14 PM You –:–
16:14 4:14 PM
Greenwich Mean Time · UTC+0
☀️ 08:15 · 🌙 18:14
13:14 1:14 PM
Brasilia Standard Time · UTC-3
☀️ 05:33 · 🌙 18:08
·
−3 h
Jacareí is 3 h behind Reykjavik.
When you, Reykjavik and Jacareí 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
🇧🇷 Jacareí
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 | 🇧🇷 Jacareí |
|---|---|---|
| Local time | 16:14 | 13:14 |
| 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 | 05:33 |
| Sunset | 18:14 | 18:08 |
| Daylight | 9 h 59 min | 12 h 36 min |
| People on this clock | 136,894 | 240,275 |
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 Jacareí: common questions
How far behind Reykjavik is Jacareí?
Jacareí is 3 hours behind Reykjavik: UTC−3 against UTC+0.
What time is it in Jacareí when it is 9:00 AM in Reykjavik?
When it is 9:00 AM in Reykjavik, it is 6:00 AM in Jacareí.
What time is it in Jacareí when it is 6:00 PM in Reykjavik?
When it is 6:00 PM in Reykjavik, it is 3:00 PM in Jacareí.
When do working hours in Reykjavik and in Jacareí 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 Jacareí.
Until what time in Reykjavik is it still yesterday in Jacareí?
Before 3:00 AM in Reykjavik, the date in Jacareí has not changed yet. From 9:00 PM in Jacareí, it is already the next day in Reykjavik.
Is the time difference between Reykjavik and Jacareí the same all year?
Yes. Neither Reykjavik nor Jacareí switches to summer time, so the gap is always 3 hours.
