🇨🇭 Altstätten, Switzerland
05
- Central European Summer Time
- UTC+2
- Night
☀️ 07:48 · 🌙 18:27 · 10 h 39 min
Altstätten to Buenos Aires: time difference
Buenos Aires is 5 h behind Altstätten. 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.
Altstätten 04:47 4:47 AM Buenos Aires 23:47 11:47 PM You –:–
04:47 4:47 AM
Central European Summer Time · UTC+2
☀️ 07:48 · 🌙 18:27
23:47 11:47 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−5 h
Buenos Aires is 5 h behind Altstätten.
When you, Altstätten 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
🇨🇭 Altstätten
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 | 🇨🇭 Altstätten | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 04:47 | 23:47 |
| Local date | Tuesday, October 20, 2026 | Monday, October 19, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Altstätten | — | −5 h |
| IANA zone | Europe/Zurich | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:48 | 06:07 |
| Sunset | 18:27 | 19:11 |
| Daylight | 10 h 39 min | 13 h 4 min |
| People on this clock | 11,145 | 2,891,082 |
Compare Altstätten with another city
More comparisons with Altstätten: the time zones next to it and the far side of the clock.
Big time differences
Altstätten and Buenos Aires: common questions
What is the time difference between Altstätten and Buenos Aires?
Buenos Aires is 5 hours behind: it uses UTC−3, while Altstätten is on UTC+2.
What time is it in Buenos Aires when it is 9:00 AM in Altstätten?
When it is 9:00 AM in Altstätten, it is 4:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Altstätten?
The working day in Altstätten ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
When is a good time to call Buenos Aires from Altstätten?
Between 2:00 PM and 6:00 PM in Altstätten – that is 9:00 AM to 1:00 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 5:00 AM in Altstätten 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 Altstätten.
Is the time difference between Altstätten and Buenos Aires the same all year?
No. Only Altstätten switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 4 hours behind Altstätten.
