Penafiel to Buenos Aires: time difference
Buenos Aires is 4 h behind Penafiel. 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.
Penafiel 01:28 1:28 AM Buenos Aires 21:28 9:28 PM You –:–
01:28 1:28 AM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:48
21:28 9:28 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Penafiel.
When you, Penafiel 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
🇵🇹 Penafiel
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 | 🇵🇹 Penafiel | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:28 | 21:28 |
| 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 Penafiel | — | −4 h |
| IANA zone | Europe/Lisbon | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:50 | 06:07 |
| Sunset | 18:48 | 19:11 |
| Daylight | 10 h 59 min | 13 h 4 min |
| People on this clock | 69,630 | 2,891,082 |
Compare Penafiel with another city
More comparisons with Penafiel: the time zones next to it and the far side of the clock.
Big time differences
Penafiel and Buenos Aires: common questions
How many hours behind Penafiel is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Penafiel (UTC−3 and UTC+1).
If it is 9:00 AM in Penafiel, what time is it in Buenos Aires?
At 9:00 AM in Penafiel, clocks in Buenos Aires show 5:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Penafiel?
When it is 6:00 PM in Penafiel, it is 2:00 PM in Buenos Aires.
When do working hours in Penafiel and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in Penafiel, which is 9:00 AM to 2:00 PM in Buenos Aires.
When is it still the previous day in Buenos Aires?
Until 4:00 AM in Penafiel it is still the previous day in Buenos Aires. The other way round, from 8:00 PM in Buenos Aires it is already the next day in Penafiel.
Is the time difference between Penafiel and Buenos Aires the same all year?
No. Only Penafiel switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Penafiel.
