Corroios to Buenos Aires: time difference
Buenos Aires is 4 h behind Corroios. 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.
Corroios 14:57 2:57 PM Buenos Aires 10:57 10:57 AM You –:–
14:57 2:57 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:54
10:57 10:57 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Corroios.
When you, Corroios 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
🇵🇹 Corroios
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 | 🇵🇹 Corroios | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 14:57 | 10:57 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Western European Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Corroios | — | −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 | 18:54 | 19:11 |
| Daylight | 11 h 4 min | 13 h 4 min |
| People on this clock | 50,812 | 2,891,082 |
Compare Corroios with another city
More comparisons with Corroios: the time zones next to it and the far side of the clock.
Big time differences
Corroios and Buenos Aires: common questions
How many hours behind Corroios is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Corroios (UTC−3 and UTC+1).
What time is it in Buenos Aires when it is 9:00 AM in Corroios?
When it is 9:00 AM in Corroios, it is 5:00 AM in Buenos Aires.
If it is 6:00 PM in Corroios, what time is it in Buenos Aires?
At 6:00 PM in Corroios, clocks in Buenos Aires show 2:00 PM.
Is there a time when both Corroios and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Corroios (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 Corroios?
The new day starts in Buenos Aires later: until 4:00 AM in Corroios, it is still the previous day there. From 8:00 PM in Buenos Aires, Corroios is already on the next day.
Does the time difference between Corroios and Buenos Aires change?
Yes. The clocks change only in Corroios. From October 25, 2026, Buenos Aires will be 3 hours behind Corroios.
