🇦🇷 Buenos Aires, Argentina
53
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:11 · 🌙 19:09 · 12 h 58 min
Buenos Aires to Porto Velho: time difference
Porto Velho 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 16:29 4:29 PM Porto Velho 15:29 3:29 PM You –:–
16:29 4:29 PM
Argentina Standard Time · UTC-3
☀️ 06:11 · 🌙 19:09
15:29 3:29 PM
Amazon Standard Time · UTC-4
☀️ 05:53 · 🌙 18:11
·
−1 h
Porto Velho is 1 h behind Buenos Aires.
When you, Buenos Aires and Porto Velho 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
🇧🇷 Porto Velho
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 | 🇧🇷 Porto Velho |
|---|---|---|
| Local time | 16:29 | 15:29 |
| Local date | Friday, October 16, 2026 | Friday, October 16, 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/Porto Velho |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:11 | 05:53 |
| Sunset | 19:09 | 18:11 |
| Daylight | 12 h 58 min | 12 h 18 min |
| People on this clock | 2,891,082 | 460,434 |
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 Porto Velho: common questions
What is the time difference between Buenos Aires and Porto Velho?
Porto Velho is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Porto Velho?
At 9:00 AM in Buenos Aires, clocks in Porto Velho show 8:00 AM.
If it is 6:00 PM in Buenos Aires, what time is it in Porto Velho?
At 6:00 PM in Buenos Aires, clocks in Porto Velho show 5:00 PM.
When do working hours in Buenos Aires and in Porto Velho overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Buenos Aires, which is 9:00 AM to 5:00 PM in Porto Velho.
When does the date change in Porto Velho compared with Buenos Aires?
The new day starts in Porto Velho later: until 1:00 AM in Buenos Aires, it is still the previous day there. From 11:00 PM in Porto Velho, Buenos Aires is already on the next day.
Does the time difference between Buenos Aires and Porto Velho change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
