🇨🇭 Rheinfelden, Switzerland
15
- Central European Standard Time
- UTC+1
- Daytime
☀️ 07:07 · 🌙 17:20 · 10 h 13 min
Rheinfelden to Buenos Aires: time difference
Buenos Aires is 4 h behind Rheinfelden. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
15
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 05:57 · 🌙 19:19 · 13 h 22 min
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rheinfelden 11:03 11:03 AM Buenos Aires 07:03 7:03 AM You –:–
11:03 11:03 AM
Central European Standard Time · UTC+1
☀️ 07:07 · 🌙 17:20
07:03 7:03 AM
Argentina Standard Time · UTC-3
☀️ 05:57 · 🌙 19:19
·
−4 h
Buenos Aires is 4 h behind Rheinfelden.
When you, Rheinfelden 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
🇨🇭 Rheinfelden
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 | 🇨🇭 Rheinfelden | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 11:03 | 07:03 |
| Local date | Wednesday, October 28, 2026 | Wednesday, October 28, 2026 |
| Time zone | Central European Standard Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Rheinfelden | — | −4 h |
| IANA zone | Europe/Zurich | America/Argentina/Buenos Aires |
| Daylight saving | On standard time → UTC+2, Mar 28, 03:00 | Not observed |
| Sunrise | 07:07 | 05:57 |
| Sunset | 17:20 | 19:19 |
| Daylight | 10 h 13 min | 13 h 22 min |
| People on this clock | 13,360 | 2,891,082 |
Compare Rheinfelden with another city
More comparisons with Rheinfelden: the time zones next to it and the far side of the clock.
Big time differences
Rheinfelden and Buenos Aires: common questions
How far behind Rheinfelden is Buenos Aires?
Buenos Aires is 4 hours behind Rheinfelden: UTC−3 against UTC+1.
What time is it in Buenos Aires at the start of the working day in Rheinfelden?
The working day in Rheinfelden starts at 9:00 AM; in Buenos Aires it is 5:00 AM at that moment.
If it is 6:00 PM in Rheinfelden, what time is it in Buenos Aires?
At 6:00 PM in Rheinfelden, clocks in Buenos Aires show 2:00 PM.
When is a good time to call Buenos Aires from Rheinfelden?
Between 1:00 PM and 6:00 PM in Rheinfelden – 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 is it still the previous day in Buenos Aires?
Until 4:00 AM in Rheinfelden 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 Rheinfelden.
Does the time gap between Rheinfelden and Buenos Aires change during the year?
Yes – daylight saving time is used in Rheinfelden but not in Buenos Aires. From March 28, 2027, Buenos Aires will be 5 hours behind Rheinfelden.
