Buenos Aires to Boa Vista: time difference
Boa Vista 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 10:19 10:19 AM Boa Vista 09:19 9:19 AM You –:–
10:19 10:19 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
09:19 9:19 AM
Amazon Standard Time · UTC-4
☀️ 05:47 · 🌙 17:50
·
−1 h
Boa Vista is 1 h behind Buenos Aires.
When you, Buenos Aires and Boa Vista 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
🇧🇷 Boa Vista
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 | 🇧🇷 Boa Vista |
|---|---|---|
| Local time | 10:19 | 09:19 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Argentina Standard Time | Amazon Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/Boa Vista |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:07 | 05:47 |
| Sunset | 19:11 | 17:50 |
| Daylight | 13 h 4 min | 12 h 3 min |
| People on this clock | 2,891,082 | 413,486 |
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 Boa Vista: common questions
How far behind Buenos Aires is Boa Vista?
Boa Vista is 1 hour behind Buenos Aires: UTC−4 against UTC−3.
What time is it in Boa Vista when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Boa Vista.
If it is 6:00 PM in Buenos Aires, what time is it in Boa Vista?
At 6:00 PM in Buenos Aires, clocks in Boa Vista show 5:00 PM.
When is a good time to call Boa Vista from Buenos Aires?
Between 10:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 5:00 PM in Boa Vista – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Boa Vista?
Until 1:00 AM in Buenos Aires it is still the previous day in Boa Vista. The other way round, from 11:00 PM in Boa Vista it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and Boa Vista change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
