Buenos Aires to San Juan: time difference
San Juan is 3 h behind Buenos Aires. 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.
Buenos Aires 09:32 9:32 AM San Juan 06:32 6:32 AM You –:–
09:32 9:32 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
06:32 6:32 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
−3 h
San Juan is 3 h behind Buenos Aires.
When you, Buenos Aires 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
🇦🇷 Buenos Aires
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 | 🇦🇷 Buenos Aires | 🇨🇷 San Juan |
|---|---|---|
| Local time | 09:32 | 06:32 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Argentina Standard Time | Central Standard Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Buenos Aires | — | −3 h |
| IANA zone | America/Argentina/Buenos Aires | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:07 | 05:26 |
| Sunset | 19:11 | 17:18 |
| Daylight | 13 h 4 min | 11 h 53 min |
| People on this clock | 2,891,082 | 27,000 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and San Juan: common questions
What is the time difference between Buenos Aires and San Juan?
San Juan is 3 hours behind: it uses UTC−6, while Buenos Aires is on UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in San Juan?
At 9:00 AM in Buenos Aires, clocks in San Juan show 6:00 AM.
What time is it in San Juan when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 3:00 PM in San Juan.
Is there a time when both Buenos Aires and San Juan are at work?
Yes: from 12:00 PM to 6:00 PM in Buenos Aires (9:00 AM to 3:00 PM in San Juan), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in San Juan compared with Buenos Aires?
The new day starts in San Juan later: until 3:00 AM in Buenos Aires, it is still the previous day there. From 9:00 PM in San Juan, Buenos Aires is already on the next day.
Does the time difference between Buenos Aires and San Juan change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
