Bristol to Buenos Aires: time difference
Buenos Aires is 4 h behind Bristol. 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.
Bristol 04:21 4:21 AM Buenos Aires 00:21 12:21 AM You –:–
04:21 4:21 AM
British Summer Time · UTC+1
☀️ 07:26 · 🌙 18:30
00:21 12:21 AM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−4 h
Buenos Aires is 4 h behind Bristol.
When you, Bristol 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
🇬🇧 Bristol
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 | 🇬🇧 Bristol | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 04:21 | 00:21 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | British Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Bristol | — | −4 h |
| IANA zone | Europe/London | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:26 | 06:20 |
| Sunset | 18:30 | 19:03 |
| Daylight | 11 h 4 min | 12 h 43 min |
| People on this clock | 463,400 | 2,891,082 |
Compare Bristol with another city
More comparisons with Bristol: the time zones next to it and the far side of the clock.
Big time differences
Bristol and Buenos Aires: common questions
How far behind Bristol is Buenos Aires?
Buenos Aires is 4 hours behind Bristol: UTC−3 against UTC+1.
What time is it in Buenos Aires when it is 9:00 AM in Bristol?
When it is 9:00 AM in Bristol, it is 5:00 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Bristol?
When it is 6:00 PM in Bristol, it is 2:00 PM in Buenos Aires.
When is a good time to call Buenos Aires from Bristol?
Between 1:00 PM and 6:00 PM in Bristol – that is 9:00 AM to 2:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Bristol is it still yesterday in Buenos Aires?
Before 4:00 AM in Bristol, the date in Buenos Aires has not changed yet. From 8:00 PM in Buenos Aires, it is already the next day in Bristol.
Does the time difference between Bristol and Buenos Aires change?
Yes. The clocks change only in Bristol. From October 25, 2026, Buenos Aires will be 3 hours behind Bristol.
