Queluz to Buenos Aires: time difference
Buenos Aires is 4 h behind Queluz. 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.
Queluz 14:57 2:57 PM Buenos Aires 10:57 10:57 AM You –:–
14:57 2:57 PM
Western European Summer Time · UTC+1
☀️ 07:51 · 🌙 18:55
10:57 10:57 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Queluz.
When you, Queluz 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
🇵🇹 Queluz
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 | 🇵🇹 Queluz | 🇦🇷 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 Queluz | — | −4 h |
| IANA zone | Europe/Lisbon | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:51 | 06:07 |
| Sunset | 18:55 | 19:11 |
| Daylight | 11 h 4 min | 13 h 4 min |
| People on this clock | 75,169 | 2,891,082 |
Compare Queluz with another city
More comparisons with Queluz: the time zones next to it and the far side of the clock.
Big time differences
Queluz and Buenos Aires: common questions
How far behind Queluz is Buenos Aires?
Buenos Aires is 4 hours behind Queluz: UTC−3 against UTC+1.
What time is it in Buenos Aires when it is 9:00 AM in Queluz?
When it is 9:00 AM in Queluz, it is 5:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Queluz?
The working day in Queluz ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
When is a good time to call Buenos Aires from Queluz?
Between 1:00 PM and 6:00 PM in Queluz – that is 9:00 AM to 2:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Buenos Aires compared with Queluz?
The new day starts in Buenos Aires later: until 4:00 AM in Queluz, it is still the previous day there. From 8:00 PM in Buenos Aires, Queluz is already on the next day.
Is the time difference between Queluz and Buenos Aires the same all year?
No. Only Queluz switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Queluz.
