Assis to Reykjavik: time difference
Reykjavik is 3 h ahead of Assis. 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.
Assis 17:36 5:36 PM Reykjavik 20:36 8:36 PM You –:–
17:36 5:36 PM
Brasilia Standard Time · UTC-3
☀️ 05:46 · 🌙 18:28
20:36 8:36 PM
Greenwich Mean Time · UTC+0
☀️ 08:33 · 🌙 17:53
·
+3 h
Reykjavik is 3 h ahead of Assis.
When you, Assis 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
🇧🇷 Assis
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 | 🇧🇷 Assis | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 17:36 | 20:36 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Brasilia Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Assis | — | +3 h |
| IANA zone | America/Sao Paulo | Atlantic/Reykjavik |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:46 | 08:33 |
| Sunset | 18:28 | 17:53 |
| Daylight | 12 h 42 min | 9 h 20 min |
| People on this clock | 101,409 | 136,894 |
Compare Assis with another city
More comparisons with Assis: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Assis and Reykjavik: common questions
How many hours ahead of Assis is Reykjavik?
The clocks in Reykjavik are 3 hours ahead of those in Assis (UTC+0 and UTC−3).
What time is it in Reykjavik at the start of the working day in Assis?
The working day in Assis starts at 9:00 AM; in Reykjavik it is 12:00 PM at that moment.
What time is it in Reykjavik when it is 6:00 PM in Assis?
When it is 6:00 PM in Assis, it is 9:00 PM in Reykjavik.
When do working hours in Assis and in Reykjavik overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Assis, which is 12:00 PM to 6:00 PM in Reykjavik.
When is it already the next day in Reykjavik?
From 9:00 PM in Assis it is already the next day in Reykjavik. The other way round, until 3:00 AM in Reykjavik it is still the previous day in Assis.
Is the time difference between Assis and Reykjavik the same all year?
Yes. Neither Assis nor Reykjavik switches to summer time, so the gap is always 3 hours.
