Reykjavik to Buenos Aires: time difference
Buenos Aires is 3 h behind Reykjavik. 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.
Reykjavik 01:56 1:56 AM Buenos Aires 22:56 10:56 PM You –:–
01:56 1:56 AM
Greenwich Mean Time · UTC+0
☀️ 08:03 · 🌙 18:28
22:56 10:56 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−3 h
Buenos Aires is 3 h behind Reykjavik.
When you, Reykjavik and Buenos Aires 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
🇦🇷 Buenos Aires
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 | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:56 | 22:56 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Greenwich Mean Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Reykjavik | — | −3 h |
| IANA zone | Atlantic/Reykjavik | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:03 | 06:20 |
| Sunset | 18:28 | 19:03 |
| Daylight | 10 h 25 min | 12 h 43 min |
| People on this clock | 136,894 | 2,891,082 |
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 Buenos Aires: common questions
What is the time difference between Reykjavik and Buenos Aires?
Buenos Aires is 3 hours behind: it uses UTC−3, while Reykjavik is on UTC+0.
What time is it in Buenos Aires when it is 9:00 AM in Reykjavik?
When it is 9:00 AM in Reykjavik, it is 6:00 AM in Buenos Aires.
If it is 6:00 PM in Reykjavik, what time is it in Buenos Aires?
At 6:00 PM in Reykjavik, clocks in Buenos Aires show 3:00 PM.
When is a good time to call Buenos Aires from Reykjavik?
Between 12:00 PM and 6:00 PM in Reykjavik – that is 9:00 AM to 3:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Reykjavik is it still yesterday in Buenos Aires?
Before 3:00 AM in Reykjavik, the date in Buenos Aires has not changed yet. From 9:00 PM in Buenos Aires, it is already the next day in Reykjavik.
Does the time gap between Reykjavik and Buenos Aires change during the year?
No, the clocks change neither in Reykjavik nor in Buenos Aires, so the gap is 3 hours all year round.
