🇪🇸 Castelldefels, Spain
20
- Central European Summer Time
- UTC+2
- Daytime
☀️ 08:08 · 🌙 19:07 · 10 h 58 min
Castelldefels to Buenos Aires: time difference
Buenos Aires is 5 h behind Castelldefels. Live clocks for both, the working hours they share, and how each one sits against your own time.
−5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Castelldefels 11:24 11:24 AM Buenos Aires 06:24 6:24 AM You –:–
11:24 11:24 AM
Central European Summer Time · UTC+2
☀️ 08:08 · 🌙 19:07
06:24 6:24 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−5 h
Buenos Aires is 5 h behind Castelldefels.
When you, Castelldefels 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
🇪🇸 Castelldefels
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
19 7 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇪🇸 Castelldefels | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 11:24 | 06:24 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Castelldefels | — | −5 h |
| IANA zone | Europe/Madrid | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 08:08 | 06:07 |
| Sunset | 19:07 | 19:11 |
| Daylight | 10 h 58 min | 13 h 4 min |
| People on this clock | 68,427 | 2,891,082 |
Compare Castelldefels with another city
More comparisons with Castelldefels: the time zones next to it and the far side of the clock.
Big time differences
Castelldefels and Buenos Aires: common questions
What is the time difference between Castelldefels and Buenos Aires?
Buenos Aires is 5 hours behind: it uses UTC−3, while Castelldefels is on UTC+2.
If it is 9:00 AM in Castelldefels, what time is it in Buenos Aires?
At 9:00 AM in Castelldefels, clocks in Buenos Aires show 4:00 AM.
What time is it in Buenos Aires at the end of the working day in Castelldefels?
The working day in Castelldefels ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
Is there a time when both Castelldefels and Buenos Aires are at work?
Yes: from 2:00 PM to 6:00 PM in Castelldefels (9:00 AM to 1:00 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 5:00 AM in Castelldefels it is still the previous day in Buenos Aires. The other way round, from 7:00 PM in Buenos Aires it is already the next day in Castelldefels.
Does the time gap between Castelldefels and Buenos Aires change during the year?
Yes – daylight saving time is used in Castelldefels but not in Buenos Aires. From October 25, 2026, Buenos Aires will be 4 hours behind Castelldefels.
