Barcelos to Buenos Aires: time difference
Buenos Aires is 4 h behind Barcelos. 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.
Barcelos 20:24 8:24 PM Buenos Aires 16:24 4:24 PM You –:–
20:24 8:24 PM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:52
16:24 4:24 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−4 h
Buenos Aires is 4 h behind Barcelos.
When you, Barcelos 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
🇵🇹 Barcelos
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 | 🇵🇹 Barcelos | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 20:24 | 16:24 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Western European Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Barcelos | — | −4 h |
| IANA zone | Europe/Lisbon | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:49 | 06:10 |
| Sunset | 18:52 | 19:10 |
| Daylight | 11 h 3 min | 13 h |
| People on this clock | 116,766 | 2,891,082 |
Compare Barcelos with another city
More comparisons with Barcelos: the time zones next to it and the far side of the clock.
Big time differences
Barcelos and Buenos Aires: common questions
How many hours behind Barcelos is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Barcelos (UTC−3 and UTC+1).
What time is it in Buenos Aires at the start of the working day in Barcelos?
The working day in Barcelos 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 Barcelos?
When it is 6:00 PM in Barcelos, it is 2:00 PM in Buenos Aires.
Is there a time when both Barcelos and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Barcelos (9:00 AM to 2:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Buenos Aires?
Until 4:00 AM in Barcelos 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 Barcelos.
Does the time difference between Barcelos and Buenos Aires change?
Yes. The clocks change only in Barcelos. From October 25, 2026, Buenos Aires will be 3 hours behind Barcelos.
