Boa Vista to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Boa Vista. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Boa Vista 08:28 8:28 AM Buenos Aires 09:28 9:28 AM You –:–
08:28 8:28 AM
Amazon Standard Time · UTC-4
☀️ 05:47 · 🌙 17:50
09:28 9:28 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
+1 h
Buenos Aires is 1 h ahead of Boa Vista.
When you, Boa Vista 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
🇧🇷 Boa Vista
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 | 🇧🇷 Boa Vista | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 08:28 | 09:28 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Amazon Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Boa Vista | — | +1 h |
| IANA zone | America/Boa Vista | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:47 | 06:07 |
| Sunset | 17:50 | 19:11 |
| Daylight | 12 h 3 min | 13 h 4 min |
| People on this clock | 413,486 | 2,891,082 |
Compare Boa Vista with another city
More comparisons with Boa Vista: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Boa Vista and Buenos Aires: common questions
How many hours ahead of Boa Vista is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Boa Vista (UTC−3 and UTC−4).
If it is 9:00 AM in Boa Vista, what time is it in Buenos Aires?
At 9:00 AM in Boa Vista, clocks in Buenos Aires show 10:00 AM.
What time is it in Buenos Aires at the end of the working day in Boa Vista?
The working day in Boa Vista ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When do working hours in Boa Vista and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Boa Vista, which is 10:00 AM to 6:00 PM in Buenos Aires.
When is it already the next day in Buenos Aires?
From 11:00 PM in Boa Vista it is already the next day in Buenos Aires. The other way round, until 1:00 AM in Buenos Aires it is still the previous day in Boa Vista.
Is the time difference between Boa Vista and Buenos Aires the same all year?
Yes. Neither Boa Vista nor Buenos Aires switches to summer time, so the gap is always 1 hour.
