🇦🇷 Buenos Aires, Argentina
38
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:19 · 🌙 19:04 · 12 h 45 min
Buenos Aires to Porto Alegre: time difference
Porto Alegre is 3 h ahead of Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇸🇹 Porto Alegre, Sao Tome and Principe
38
- Greenwich Mean Time
- UTC+0
- Daytime
☀️ 05:18 · 🌙 17:25 · 12 h 7 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 08:40 8:40 AM Porto Alegre 11:40 11:40 AM You –:–
08:40 8:40 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
11:40 11:40 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:25
·
+3 h
Porto Alegre is 3 h ahead of Buenos Aires.
When you, Buenos Aires and Porto Alegre 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 Alegre
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇸🇹 Porto Alegre |
|---|---|---|
| Local time | 08:40 | 11:40 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Argentina Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Buenos Aires | — | +3 h |
| IANA zone | America/Argentina/Buenos Aires | Africa/Sao Tome |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 05:18 |
| Sunset | 19:04 | 17:25 |
| Daylight | 12 h 45 min | 12 h 7 min |
| People on this clock | 2,891,082 | 795 |
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 Alegre: common questions
How far ahead of Buenos Aires is Porto Alegre?
Porto Alegre is 3 hours ahead of Buenos Aires: UTC+0 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Porto Alegre?
At 9:00 AM in Buenos Aires, clocks in Porto Alegre show 12:00 PM.
What time is it in Porto Alegre at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Porto Alegre it is 9:00 PM at that moment.
When is a good time to call Porto Alegre from Buenos Aires?
Between 9:00 AM and 3:00 PM in Buenos Aires – that is 12:00 PM to 6:00 PM in Porto Alegre – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Porto Alegre?
From 9:00 PM in Buenos Aires it is already the next day in Porto Alegre. The other way round, until 3:00 AM in Porto Alegre it is still the previous day in Buenos Aires.
Does the time gap between Buenos Aires and Porto Alegre change during the year?
No, the clocks change neither in Buenos Aires nor in Porto Alegre, so the gap is 3 hours all year round.
