🇦🇷 Buenos Aires, Argentina
29
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 05:57 · 🌙 19:19 · 13 h 22 min
Buenos Aires to San Lorenzo: time difference
San Lorenzo is 1 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 10:17 10:17 AM San Lorenzo 09:17 9:17 AM You –:–
10:17 10:17 AM
Argentina Standard Time · UTC-3
☀️ 05:57 · 🌙 19:19
09:17 9:17 AM
Atlantic Standard Time · UTC-4
☀️ 06:22 · 🌙 17:54
·
−1 h
San Lorenzo is 1 h behind Buenos Aires.
When you, Buenos Aires and San Lorenzo 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 Lorenzo
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇵🇷 San Lorenzo |
|---|---|---|
| Local time | 10:17 | 09:17 |
| Local date | Wednesday, October 28, 2026 | Wednesday, October 28, 2026 |
| Time zone | Argentina Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:57 | 06:22 |
| Sunset | 19:19 | 17:54 |
| Daylight | 13 h 22 min | 11 h 32 min |
| People on this clock | 2,891,082 | 9,373 |
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 Lorenzo: common questions
What is the time difference between Buenos Aires and San Lorenzo?
San Lorenzo is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
What time is it in San Lorenzo when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in San Lorenzo.
If it is 6:00 PM in Buenos Aires, what time is it in San Lorenzo?
At 6:00 PM in Buenos Aires, clocks in San Lorenzo show 5:00 PM.
When is a good time to call San Lorenzo from Buenos Aires?
Between 10:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 5:00 PM in San Lorenzo – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Buenos Aires is it still yesterday in San Lorenzo?
Before 1:00 AM in Buenos Aires, the date in San Lorenzo has not changed yet. From 11:00 PM in San Lorenzo, it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and San Lorenzo change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
