Reykjavik to Altos: time difference
Altos 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 05:33 5:33 AM Altos 02:33 2:33 AM You –:–
05:33 5:33 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
02:33 2:33 AM
Paraguay Summer Time · UTC-3
☀️ 06:20 · 🌙 18:53
·
−3 h
Altos is 3 h behind Reykjavik.
When you, Reykjavik and Altos 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
🇵🇾 Altos
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 | 🇵🇾 Altos |
|---|---|---|
| Local time | 05:33 | 02:33 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Paraguay Summer Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Reykjavik | — | −3 h |
| IANA zone | Atlantic/Reykjavik | America/Asuncion |
| Daylight saving | Not observed | On summer time → UTC-4, Mar 27, 23:00 |
| Sunrise | 08:03 | 06:20 |
| Sunset | 18:28 | 18:53 |
| Daylight | 10 h 25 min | 12 h 33 min |
| People on this clock | 136,894 | 4,763 |
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 Altos: common questions
How far behind Reykjavik is Altos?
Altos is 3 hours behind Reykjavik: UTC−3 against UTC+0.
What time is it in Altos when it is 9:00 AM in Reykjavik?
When it is 9:00 AM in Reykjavik, it is 6:00 AM in Altos.
What time is it in Altos at the end of the working day in Reykjavik?
The working day in Reykjavik ends at 6:00 PM; in Altos it is 3:00 PM at that moment.
When is a good time to call Altos from Reykjavik?
Between 12:00 PM and 6:00 PM in Reykjavik – that is 9:00 AM to 3:00 PM in Altos – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Altos?
Until 3:00 AM in Reykjavik it is still the previous day in Altos. The other way round, from 9:00 PM in Altos it is already the next day in Reykjavik.
Does the time gap between Reykjavik and Altos change during the year?
No, the clocks change neither in Reykjavik nor in Altos, so the gap is 3 hours all year round.
