Buenos Aires to Portimao: time difference
Portimao is 4 h ahead of Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 20:41 8:41 PM Portimao 00:41 12:41 AM You –:–
20:41 8:41 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
00:41 12:41 AM
Western European Summer Time · UTC+1
☀️ 07:46 · 🌙 18:54
·
+4 h
Portimao is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Portimao 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
🇵🇹 Portimao
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 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇵🇹 Portimao |
|---|---|---|
| Local time | 20:41 | 00:41 |
| Local date | Monday, October 19, 2026 | Tuesday, October 20, 2026 |
| Time zone | Argentina Standard Time | Western European Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Buenos Aires | — | +4 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:07 | 07:46 |
| Sunset | 19:11 | 18:54 |
| Daylight | 13 h 4 min | 11 h 8 min |
| People on this clock | 2,891,082 | 59,867 |
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 Portimao: common questions
What is the time difference between Buenos Aires and Portimao?
Portimao is 4 hours ahead: it uses UTC+1, while Buenos Aires is on UTC−3.
What time is it in Portimao at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Portimao it is 1:00 PM at that moment.
What time is it in Portimao when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 10:00 PM in Portimao.
Is there a time when both Buenos Aires and Portimao are at work?
Yes: from 9:00 AM to 2:00 PM in Buenos Aires (1:00 PM to 6:00 PM in Portimao), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Portimao?
From 8:00 PM in Buenos Aires it is already the next day in Portimao. The other way round, until 4:00 AM in Portimao it is still the previous day in Buenos Aires.
Is the time difference between Buenos Aires and Portimao the same all year?
No. Only Portimao switches to summer time, so the gap changes twice a year. From October 25, 2026, Portimao will be 3 hours ahead of Buenos Aires.
