Aarau to Buenos Aires: time difference
Buenos Aires is 5 h behind Aarau. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
17
- Argentina Standard Time
- UTC-3
- Golden hour
☀️ 06:09 · 🌙 19:11 · 13 h 2 min
−5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Aarau 23:47 11:47 PM Buenos Aires 18:47 6:47 PM You –:–
23:47 11:47 PM
Central European Summer Time · UTC+2
☀️ 07:51 · 🌙 18:37
18:47 6:47 PM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
−5 h
Buenos Aires is 5 h behind Aarau.
When you, Aarau 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
🇨🇭 Aarau
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 | 🇨🇭 Aarau | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 23:47 | 18:47 |
| 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 Aarau | — | −5 h |
| IANA zone | Europe/Zurich | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:51 | 06:09 |
| Sunset | 18:37 | 19:11 |
| Daylight | 10 h 46 min | 13 h 2 min |
| People on this clock | 21,191 | 2,891,082 |
Compare Aarau with another city
More comparisons with Aarau: the time zones next to it and the far side of the clock.
Big time differences
Aarau and Buenos Aires: common questions
How many hours behind Aarau is Buenos Aires?
The clocks in Buenos Aires are 5 hours behind those in Aarau (UTC−3 and UTC+2).
If it is 9:00 AM in Aarau, what time is it in Buenos Aires?
At 9:00 AM in Aarau, clocks in Buenos Aires show 4:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Aarau?
When it is 6:00 PM in Aarau, it is 1:00 PM in Buenos Aires.
Is there a time when both Aarau and Buenos Aires are at work?
Yes: from 2:00 PM to 6:00 PM in Aarau (9:00 AM to 1:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Aarau is it still yesterday in Buenos Aires?
Before 5:00 AM in Aarau, the date in Buenos Aires has not changed yet. From 7:00 PM in Buenos Aires, it is already the next day in Aarau.
Does the time difference between Aarau and Buenos Aires change?
Yes. The clocks change only in Aarau. From October 25, 2026, Buenos Aires will be 4 hours behind Aarau.
