Sao Luis to Reykjavik: time difference
Reykjavik is 3 h ahead of Sao Luis. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sao Luis 05:46 5:46 AM Reykjavik 08:46 8:46 AM You –:–
05:46 5:46 AM
Brasilia Standard Time · UTC-3
☀️ 05:40 · 🌙 17:49
08:46 8:46 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
·
+3 h
Reykjavik is 3 h ahead of Sao Luis.
When you, Sao Luis 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 Luis
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
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Time zones side by side
| Detail | 🇧🇷 Sao Luis | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 05:46 | 08:46 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Sao Luis | — | +3 h |
| IANA zone | America/Fortaleza | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:40 | 08:03 |
| Sunset | 17:49 | 18:28 |
| Daylight | 12 h 9 min | 10 h 25 min |
| People on this clock | 1,037,775 | 136,894 |
Compare Sao Luis with another city
More comparisons with Sao Luis: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sao Luis and Reykjavik: common questions
How many hours ahead of Sao Luis is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in Sao Luis (UTC+0 and UTC−3).
If it is 9:00 AM in Sao Luis, what time is it in Reykjavik?
At 9:00 AM in Sao Luis, clocks in Reykjavik show 12:00 PM.
What time is it in Reykjavik at the end of the working day in Sao Luis?
The working day in Sao Luis ends at 6:00 PM; in Reykjavik it is 9:00 PM at that moment.
When do working hours in Sao Luis and in Reykjavik overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Sao Luis, which is 12:00 PM to 6:00 PM in Reykjavik.
From what time in Sao Luis is it tomorrow in Reykjavik?
Once it is 9:00 PM in Sao Luis, the date in Reykjavik has already changed. Until 3:00 AM in Reykjavik, it is still the previous day in Sao Luis.
Does the time difference between Sao Luis and Reykjavik change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
