Lancaster to Buenos Aires: time difference
Buenos Aires is 4 h behind Lancaster. 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.
Lancaster 11:42 11:42 AM Buenos Aires 07:42 7:42 AM You –:–
11:42 11:42 AM
British Summer Time · UTC+1
☀️ 07:47 · 🌙 18:07
07:42 7:42 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Lancaster.
When you, Lancaster 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
🇬🇧 Lancaster
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 | 🇬🇧 Lancaster | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 11:42 | 07:42 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | British Summer Time | Argentina Standard Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Lancaster | — | −4 h |
| IANA zone | Europe/London | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:47 | 06:07 |
| Sunset | 18:07 | 19:11 |
| Daylight | 10 h 20 min | 13 h 4 min |
| People on this clock | 46,000 | 2,891,082 |
Compare Lancaster with another city
More comparisons with Lancaster: the time zones next to it and the far side of the clock.
Big time differences
Lancaster and Buenos Aires: common questions
How many hours behind Lancaster is Buenos Aires?
The clocks in Buenos Aires are 4 hours behind those in Lancaster (UTC−3 and UTC+1).
If it is 9:00 AM in Lancaster, what time is it in Buenos Aires?
At 9:00 AM in Lancaster, clocks in Buenos Aires show 5:00 AM.
What time is it in Buenos Aires at the end of the working day in Lancaster?
The working day in Lancaster ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
When is a good time to call Buenos Aires from Lancaster?
Between 1:00 PM and 6:00 PM in Lancaster – 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 Lancaster 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 Lancaster.
Is the time difference between Lancaster and Buenos Aires the same all year?
No. Only Lancaster switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Lancaster.