Sao Carlos to Reykjavik: time difference
Reykjavik is 3 h ahead of Sao Carlos. 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.
Sao Carlos 23:43 11:43 PM Reykjavik 02:43 2:43 AM You –:–
23:43 11:43 PM
Brasilia Standard Time · UTC-3
☀️ 05:46 · 🌙 18:13
02:43 2:43 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
·
+3 h
Reykjavik is 3 h ahead of Sao Carlos.
When you, Sao Carlos 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
🇧🇷 Sao Carlos
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 | 🇧🇷 Sao Carlos | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 23:43 | 02:43 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Sao Carlos | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:46 | 08:03 |
| Sunset | 18:13 | 18:28 |
| Daylight | 12 h 27 min | 10 h 25 min |
| People on this clock | 254,857 | 136,894 |
Compare Sao Carlos with another city
More comparisons with Sao Carlos: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sao Carlos and Reykjavik: common questions
How many hours ahead of Sao Carlos is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in Sao Carlos (UTC+0 and UTC−3).
What time is it in Reykjavik when it is 9:00 AM in Sao Carlos?
When it is 9:00 AM in Sao Carlos, it is 12:00 PM in Reykjavik.
What time is it in Reykjavik when it is 6:00 PM in Sao Carlos?
When it is 6:00 PM in Sao Carlos, it is 9:00 PM in Reykjavik.
Is there a time when both Sao Carlos and Reykjavik are at work?
Yes: from 9:00 AM to 3:00 PM in Sao Carlos (12:00 PM to 6:00 PM in Reykjavik), the working days (9:00 AM–6:00 PM) overlap.
From what time in Sao Carlos is it tomorrow in Reykjavik?
Once it is 9:00 PM in Sao Carlos, the date in Reykjavik has already changed. Until 3:00 AM in Reykjavik, it is still the previous day in Sao Carlos.
Does the time difference between Sao Carlos and Reykjavik change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
