Buenos Aires to Sion: time difference
Sion is 5 h ahead of Buenos Aires. 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.
Buenos Aires 21:57 9:57 PM Sion 02:57 2:57 AM You –:–
21:57 9:57 PM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
02:57 2:57 AM
Central European Summer Time · UTC+2
☀️ 07:53 · 🌙 18:39
·
+5 h
Sion is 5 h ahead of Buenos Aires.
When you, Buenos Aires and Sion are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇨🇭 Sion
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇨🇭 Sion |
|---|---|---|
| Local time | 21:57 | 02:57 |
| Local date | Sunday, October 18, 2026 | Monday, October 19, 2026 |
| Time zone | Argentina Standard Time | Central European Summer Time |
| UTC offset | UTC-3 | UTC+2 |
| Offset from Buenos Aires | — | +5 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Zurich |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 06:09 | 07:53 |
| Sunset | 19:11 | 18:39 |
| Daylight | 13 h 2 min | 10 h 46 min |
| People on this clock | 2,891,082 | 34,599 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Sion: common questions
How many hours ahead of Buenos Aires is Sion?
The clocks in Sion are 5 hours ahead of those in Buenos Aires (UTC+2 and UTC−3).
If it is 9:00 AM in Buenos Aires, what time is it in Sion?
At 9:00 AM in Buenos Aires, clocks in Sion show 2:00 PM.
What time is it in Sion when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 11:00 PM in Sion.
When do working hours in Buenos Aires and in Sion overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 1:00 PM in Buenos Aires, which is 2:00 PM to 6:00 PM in Sion.
From what time in Buenos Aires is it tomorrow in Sion?
Once it is 7:00 PM in Buenos Aires, the date in Sion has already changed. Until 5:00 AM in Sion, it is still the previous day in Buenos Aires.
Is the time difference between Buenos Aires and Sion the same all year?
No. Only Sion switches to summer time, so the gap changes twice a year. From October 25, 2026, Sion will be 4 hours ahead of Buenos Aires.
