Las Marias to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Las Marias. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
53
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 05:50 · 🌙 19:26 · 13 h 36 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Las Marias 10:18 10:18 AM Buenos Aires 11:18 11:18 AM You –:–
10:18 10:18 AM
Atlantic Standard Time · UTC-4
☀️ 06:29 · 🌙 17:55
11:18 11:18 AM
Argentina Standard Time · UTC-3
☀️ 05:50 · 🌙 19:26
·
+1 h
Buenos Aires is 1 h ahead of Las Marias.
When you, Las Marias 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
🇵🇷 Las Marias
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇷 Las Marias | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 10:18 | 11:18 |
| Local date | Wednesday, November 4, 2026 | Wednesday, November 4, 2026 |
| Time zone | Atlantic Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Las Marias | — | +1 h |
| IANA zone | America/Puerto Rico | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:29 | 05:50 |
| Sunset | 17:55 | 19:26 |
| Daylight | 11 h 26 min | 13 h 36 min |
| People on this clock | 9,700 | 2,891,082 |
Compare Las Marias with another city
More comparisons with Las Marias: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Las Marias and Buenos Aires: common questions
What is the time difference between Las Marias and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Las Marias is on UTC−4.
What time is it in Buenos Aires at the start of the working day in Las Marias?
The working day in Las Marias starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
If it is 6:00 PM in Las Marias, what time is it in Buenos Aires?
At 6:00 PM in Las Marias, clocks in Buenos Aires show 7:00 PM.
When do working hours in Las Marias and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Las Marias, which is 10:00 AM to 6:00 PM in Buenos Aires.
From what time in Las Marias is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Las Marias, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Las Marias.
Is the time difference between Las Marias and Buenos Aires the same all year?
Yes. Neither Las Marias nor Buenos Aires switches to summer time, so the gap is always 1 hour.
