Portimao to Buenos Aires: time difference
Buenos Aires is 4 h behind Portimao. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
10
- Argentina Standard Time
- UTC-3
- Twilight
☀️ 06:07 · 🌙 19:11 · 13 h 4 min
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Portimao 00:06 12:06 AM Buenos Aires 20:06 8:06 PM You –:–
00:06 12:06 AM
Western European Summer Time · UTC+1
☀️ 07:46 · 🌙 18:54
20:06 8:06 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Portimao.
When you, Portimao 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
🇵🇹 Portimao
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
20 8 PM 21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Portimao | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 00:06 | 20:06 |
| Local date | Tuesday, October 20, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Portimao | — | −4 h |
| IANA zone | Europe/Lisbon | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:46 | 06:07 |
| Sunset | 18:54 | 19:11 |
| Daylight | 11 h 8 min | 13 h 4 min |
| People on this clock | 59,867 | 2,891,082 |
Compare Portimao with another city
More comparisons with Portimao: the time zones next to it and the far side of the clock.
Big time differences
Portimao and Buenos Aires: common questions
What is the time difference between Portimao and Buenos Aires?
Buenos Aires is 4 hours behind: it uses UTC−3, while Portimao is on UTC+1.
What time is it in Buenos Aires at the start of the working day in Portimao?
The working day in Portimao starts at 9:00 AM; in Buenos Aires it is 5:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Portimao?
When it is 6:00 PM in Portimao, it is 2:00 PM in Buenos Aires.
Is there a time when both Portimao and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Portimao (9:00 AM to 2:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Portimao?
The new day starts in Buenos Aires later: until 4:00 AM in Portimao, it is still the previous day there. From 8:00 PM in Buenos Aires, Portimao is already on the next day.
Does the time gap between Portimao and Buenos Aires change during the year?
Yes – daylight saving time is used in Portimao but not in Buenos Aires. From October 25, 2026, Buenos Aires will be 3 hours behind Portimao.
