Seropédica to Reykjavik: time difference
Reykjavik is 3 h ahead of Seropédica. 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.
Seropédica 07:17 7:17 AM Reykjavik 10:17 10:17 AM You –:–
07:17 7:17 AM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:02
10:17 10:17 AM
Greenwich Mean Time · UTC+0
☀️ 08:39 · 🌙 17:47
·
+3 h
Reykjavik is 3 h ahead of Seropédica.
When you, Seropédica 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
🇧🇷 Seropédica
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 | 🇧🇷 Seropédica | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 07:17 | 10:17 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Seropédica | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:17 | 08:39 |
| Sunset | 18:02 | 17:47 |
| Daylight | 12 h 45 min | 9 h 7 min |
| People on this clock | 80,596 | 136,894 |
Compare Seropédica with another city
More comparisons with Seropédica: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seropédica and Reykjavik: common questions
What is the time difference between Seropédica and Reykjavik?
Reykjavik is 3 hours ahead: it uses UTC+0, while Seropédica is on UTC−3.
If it is 9:00 AM in Seropédica, what time is it in Reykjavik?
At 9:00 AM in Seropédica, clocks in Reykjavik show 12:00 PM.
If it is 6:00 PM in Seropédica, what time is it in Reykjavik?
At 6:00 PM in Seropédica, clocks in Reykjavik show 9:00 PM.
When do working hours in Seropédica and in Reykjavik overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Seropédica, which is 12:00 PM to 6:00 PM in Reykjavik.
When does the date change in Reykjavik compared with Seropédica?
The new day starts in Reykjavik earlier: at 9:00 PM in Seropédica it is already midnight there. Until 3:00 AM in Reykjavik, Seropédica is still on the previous day.
Does the time difference between Seropédica and Reykjavik change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
