🇨🇭 Riehen, Switzerland
09
- Central European Summer Time
- UTC+2
- Daytime
☀️ 07:53 · 🌙 18:38 · 10 h 45 min
Riehen to Buenos Aires: time difference
Buenos Aires is 5 h behind Riehen. 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.
Riehen 09:41 9:41 AM Buenos Aires 04:41 4:41 AM You –:–
09:41 9:41 AM
Central European Summer Time · UTC+2
☀️ 07:53 · 🌙 18:38
04:41 4:41 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
−5 h
Buenos Aires is 5 h behind Riehen.
When you, Riehen 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
🇨🇭 Riehen
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 | 🇨🇭 Riehen | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 09:41 | 04:41 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Riehen | — | −5 h |
| IANA zone | Europe/Zurich | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:53 | 06:09 |
| Sunset | 18:38 | 19:11 |
| Daylight | 10 h 45 min | 13 h 2 min |
| People on this clock | 20,970 | 2,891,082 |
Compare Riehen with another city
More comparisons with Riehen: the time zones next to it and the far side of the clock.
Big time differences
Riehen and Buenos Aires: common questions
How far behind Riehen is Buenos Aires?
Buenos Aires is 5 hours behind Riehen: UTC−3 against UTC+2.
If it is 9:00 AM in Riehen, what time is it in Buenos Aires?
At 9:00 AM in Riehen, clocks in Buenos Aires show 4:00 AM.
If it is 6:00 PM in Riehen, what time is it in Buenos Aires?
At 6:00 PM in Riehen, clocks in Buenos Aires show 1:00 PM.
When is a good time to call Buenos Aires from Riehen?
Between 2:00 PM and 6:00 PM in Riehen – 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 does the date change in Buenos Aires compared with Riehen?
The new day starts in Buenos Aires later: until 5:00 AM in Riehen, it is still the previous day there. From 7:00 PM in Buenos Aires, Riehen is already on the next day.
Does the time gap between Riehen and Buenos Aires change during the year?
Yes – daylight saving time is used in Riehen but not in Buenos Aires. From October 25, 2026, Buenos Aires will be 4 hours behind Riehen.
