Reykjavik to San Juan: time difference
San Juan 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 15:46 3:46 PM San Juan 12:46 12:46 PM You –:–
15:46 3:46 PM
Greenwich Mean Time · UTC+0
☀️ 08:24 · 🌙 18:04
12:46 12:46 PM
Argentina Standard Time · UTC-3
☀️ 06:53 · 🌙 19:47
·
−3 h
San Juan is 3 h behind Reykjavik.
When you, Reykjavik and San Juan 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 Juan
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 Juan |
|---|---|---|
| Local time | 15:46 | 12:46 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 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 Juan |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:24 | 06:53 |
| Sunset | 18:04 | 19:47 |
| Daylight | 9 h 40 min | 12 h 54 min |
| People on this clock | 136,894 | 522,029 |
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 Juan: common questions
How many hours behind Reykjavik is San Juan?
The clocks in San Juan are 3 hours behind those in Reykjavik (UTC−3 and UTC+0).
If it is 9:00 AM in Reykjavik, what time is it in San Juan?
At 9:00 AM in Reykjavik, clocks in San Juan show 6:00 AM.
What time is it in San Juan at the end of the working day in Reykjavik?
The working day in Reykjavik ends at 6:00 PM; in San Juan it is 3:00 PM at that moment.
When do working hours in Reykjavik and in San Juan overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Reykjavik, which is 9:00 AM to 3:00 PM in San Juan.
When is it still the previous day in San Juan?
Until 3:00 AM in Reykjavik it is still the previous day in San Juan. The other way round, from 9:00 PM in San Juan it is already the next day in Reykjavik.
Does the time difference between Reykjavik and San Juan change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
