The United Kingdom to Buenos Aires: time difference
Buenos Aires is 4 h behind the United Kingdom. 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.
United Kingdom 01:59 1:59 AM Buenos Aires 21:59 9:59 PM You –:–
01:59 1:59 AM
British Summer Time · UTC+1
☀️ 07:16 · 🌙 18:20
21:59 9:59 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−4 h
Buenos Aires is 4 h behind the United Kingdom.
When you, the United Kingdom 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
🇬🇧 United Kingdom
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 | 🇬🇧 United Kingdom | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:59 | 21:59 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | British Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from the United Kingdom | — | −4 h |
| IANA zone | Europe/London | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:16 | 06:20 |
| Sunset | 18:20 | 19:03 |
| Daylight | 11 h 4 min | 12 h 43 min |
| People on this clock | 67,326,569 | 2,891,082 |
Compare the United Kingdom with another city
More comparisons with the United Kingdom: the time zones next to it and the far side of the clock.
Big time differences
The United Kingdom and Buenos Aires: common questions
What is the time difference between the United Kingdom and Buenos Aires?
Buenos Aires is 4 hours behind: it uses UTC−3, while the United Kingdom is on UTC+1.
What time is it in Buenos Aires when it is 9:00 AM in the United Kingdom?
When it is 9:00 AM in the United Kingdom, it is 5:00 AM in Buenos Aires.
If it is 6:00 PM in the United Kingdom, what time is it in Buenos Aires?
At 6:00 PM in the United Kingdom, clocks in Buenos Aires show 2:00 PM.
When do working hours in the United Kingdom and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in the United Kingdom, which is 9:00 AM to 2:00 PM in Buenos Aires.
When is it still the previous day in Buenos Aires?
Until 4:00 AM in the United Kingdom 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 the United Kingdom.
Does the time difference between the United Kingdom and Buenos Aires change?
Yes. The clocks change only in the United Kingdom. From October 25, 2026, Buenos Aires will be 3 hours behind the United Kingdom.
