🇵🇹 Caldas da Rainha, Portugal
15
- Western European Summer Time
- UTC+1
- Night
☀️ 07:42 · 🌙 19:07 · 11 h 25 min
Caldas da Rainha to Buenos Aires: time difference
Buenos Aires is 4 h behind Caldas da Rainha. 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.
Caldas da Rainha 02:00 2:00 AM Buenos Aires 22:00 10:00 PM You –:–
02:00 2:00 AM
Western European Summer Time · UTC+1
☀️ 07:42 · 🌙 19:07
22:00 10:00 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−4 h
Buenos Aires is 4 h behind Caldas da Rainha.
When you, Caldas da Rainha 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
🇵🇹 Caldas da Rainha
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 | 🇵🇹 Caldas da Rainha | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 02:00 | 22:00 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Western European Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Caldas da Rainha | — | −4 h |
| IANA zone | Europe/Lisbon | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:42 | 06:20 |
| Sunset | 19:07 | 19:03 |
| Daylight | 11 h 25 min | 12 h 43 min |
| People on this clock | 50,917 | 2,891,082 |
Compare Caldas da Rainha with another city
More comparisons with Caldas da Rainha: the time zones next to it and the far side of the clock.
Big time differences
Caldas da Rainha and Buenos Aires: common questions
How far behind Caldas da Rainha is Buenos Aires?
Buenos Aires is 4 hours behind Caldas da Rainha: UTC−3 against UTC+1.
What time is it in Buenos Aires when it is 9:00 AM in Caldas da Rainha?
When it is 9:00 AM in Caldas da Rainha, it is 5:00 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Caldas da Rainha?
When it is 6:00 PM in Caldas da Rainha, it is 2:00 PM in Buenos Aires.
When is a good time to call Buenos Aires from Caldas da Rainha?
Between 1:00 PM and 6:00 PM in Caldas da Rainha – that is 9:00 AM to 2:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Caldas da Rainha is it still yesterday in Buenos Aires?
Before 4:00 AM in Caldas da Rainha, the date in Buenos Aires has not changed yet. From 8:00 PM in Buenos Aires, it is already the next day in Caldas da Rainha.
Is the time difference between Caldas da Rainha and Buenos Aires the same all year?
No. Only Caldas da Rainha switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Caldas da Rainha.
