Alton to Buenos Aires: time difference
Buenos Aires is 4 h behind Alton. Live clocks for both, the working hours they share, and how each one sits against your own time.
−4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Alton 02:12 2:12 AM Buenos Aires 22:12 10:12 PM You –:–
02:12 2:12 AM
British Summer Time · UTC+1
☀️ 07:36 · 🌙 18:03
22:12 10:12 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Alton.
When you, Alton 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
🇬🇧 Alton
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 | 🇬🇧 Alton | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 02:12 | 22:12 |
| Local date | Tuesday, October 20, 2026 | Monday, October 19, 2026 |
| Time zone | British Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Alton | — | −4 h |
| IANA zone | Europe/London | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:36 | 06:07 |
| Sunset | 18:03 | 19:11 |
| Daylight | 10 h 27 min | 13 h 4 min |
| People on this clock | 17,816 | 2,891,082 |
Compare Alton with another city
More comparisons with Alton: the time zones next to it and the far side of the clock.
Big time differences
Alton and Buenos Aires: common questions
How far behind Alton is Buenos Aires?
Buenos Aires is 4 hours behind Alton: UTC−3 against UTC+1.
What time is it in Buenos Aires at the start of the working day in Alton?
The working day in Alton starts at 9:00 AM; in Buenos Aires it is 5:00 AM at that moment.
If it is 6:00 PM in Alton, what time is it in Buenos Aires?
At 6:00 PM in Alton, clocks in Buenos Aires show 2:00 PM.
When is a good time to call Buenos Aires from Alton?
Between 1:00 PM and 6:00 PM in Alton – 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 Alton 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 Alton.
Does the time difference between Alton and Buenos Aires change?
Yes. The clocks change only in Alton. From October 25, 2026, Buenos Aires will be 3 hours behind Alton.
