Ourem to Buenos Aires: time difference
Buenos Aires is 4 h behind Ourem. 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.
Ourem 21:34 9:34 PM Buenos Aires 17:34 5:34 PM You –:–
21:34 9:34 PM
Western European Summer Time · UTC+1
☀️ 07:50 · 🌙 18:50
17:34 5:34 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
−4 h
Buenos Aires is 4 h behind Ourem.
When you, Ourem 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
🇵🇹 Ourem
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 | 🇵🇹 Ourem | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 21:34 | 17:34 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Western European Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Ourem | — | −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 | 06:06 |
| Sunset | 18:50 | 19:12 |
| Daylight | 11 h | 13 h 6 min |
| People on this clock | 44,538 | 2,891,082 |
Compare Ourem with another city
More comparisons with Ourem: the time zones next to it and the far side of the clock.
Big time differences
Ourem and Buenos Aires: common questions
How far behind Ourem is Buenos Aires?
Buenos Aires is 4 hours behind Ourem: UTC−3 against UTC+1.
If it is 9:00 AM in Ourem, what time is it in Buenos Aires?
At 9:00 AM in Ourem, clocks in Buenos Aires show 5:00 AM.
What time is it in Buenos Aires at the end of the working day in Ourem?
The working day in Ourem ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
Is there a time when both Ourem and Buenos Aires are at work?
Yes: from 1:00 PM to 6:00 PM in Ourem (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 Ourem 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 Ourem.
Does the time difference between Ourem and Buenos Aires change?
Yes. The clocks change only in Ourem. From October 25, 2026, Buenos Aires will be 3 hours behind Ourem.
