Reykjavik to San Luis: time difference
San Luis 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 14:40 2:40 PM San Luis 11:40 11:40 AM You –:–
14:40 2:40 PM
Greenwich Mean Time · UTC+0
☀️ 08:12 · 🌙 18:18
11:40 11:40 AM
Argentina Standard Time · UTC-3
☀️ 06:48 · 🌙 19:37
·
−3 h
San Luis is 3 h behind Reykjavik.
When you, Reykjavik and San Luis 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
🇦🇷 San Luis
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 | 🇦🇷 San Luis |
|---|---|---|
| Local time | 14:40 | 11:40 |
| Local date | Tuesday, October 13, 2026 | Tuesday, October 13, 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/San Luis |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:12 | 06:48 |
| Sunset | 18:18 | 19:37 |
| Daylight | 10 h 6 min | 12 h 49 min |
| People on this clock | 136,894 | 204,019 |
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 San Luis: common questions
How many hours behind Reykjavik is San Luis?
The clocks in San Luis are 3 hours behind those in Reykjavik (UTC−3 and UTC+0).
What time is it in San Luis at the start of the working day in Reykjavik?
The working day in Reykjavik starts at 9:00 AM; in San Luis it is 6:00 AM at that moment.
If it is 6:00 PM in Reykjavik, what time is it in San Luis?
At 6:00 PM in Reykjavik, clocks in San Luis show 3:00 PM.
Is there a time when both Reykjavik and San Luis are at work?
Yes: from 12:00 PM to 6:00 PM in Reykjavik (9:00 AM to 3:00 PM in San Luis), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in San Luis?
Until 3:00 AM in Reykjavik it is still the previous day in San Luis. The other way round, from 9:00 PM in San Luis it is already the next day in Reykjavik.
Is the time difference between Reykjavik and San Luis the same all year?
Yes. Neither Reykjavik nor San Luis switches to summer time, so the gap is always 3 hours.
