Keflavik to Buenos Aires: time difference
Buenos Aires is 3 h behind Keflavik. 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.
Keflavik 23:38 11:38 PM Buenos Aires 20:38 8:38 PM You –:–
23:38 11:38 PM
Greenwich Mean Time · UTC+0
☀️ 08:29 · 🌙 18:03
20:38 8:38 PM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
−3 h
Buenos Aires is 3 h behind Keflavik.
When you, Keflavik 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
🇮🇸 Keflavik
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 | 🇮🇸 Keflavik | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 23:38 | 20:38 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Greenwich Mean Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Keflavik | — | −3 h |
| IANA zone | Atlantic/Reykjavik | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:29 | 06:09 |
| Sunset | 18:03 | 19:11 |
| Daylight | 9 h 34 min | 13 h 2 min |
| People on this clock | 15,000 | 2,891,082 |
Compare Keflavik with another city
More comparisons with Keflavik: the time zones next to it and the far side of the clock.
Big time differences
Keflavik and Buenos Aires: common questions
How many hours behind Keflavik is Buenos Aires?
The clocks in Buenos Aires are 3 hours behind those in Keflavik (UTC−3 and UTC+0).
If it is 9:00 AM in Keflavik, what time is it in Buenos Aires?
At 9:00 AM in Keflavik, clocks in Buenos Aires show 6:00 AM.
If it is 6:00 PM in Keflavik, what time is it in Buenos Aires?
At 6:00 PM in Keflavik, clocks in Buenos Aires show 3:00 PM.
When do working hours in Keflavik and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Keflavik, which is 9:00 AM to 3:00 PM in Buenos Aires.
Until what time in Keflavik is it still yesterday in Buenos Aires?
Before 3:00 AM in Keflavik, the date in Buenos Aires has not changed yet. From 9:00 PM in Buenos Aires, it is already the next day in Keflavik.
Does the time difference between Keflavik and Buenos Aires change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
