Slough to Buenos Aires: time difference
Buenos Aires is 4 h behind Slough. 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.
Slough 14:57 2:57 PM Buenos Aires 10:57 10:57 AM You –:–
14:57 2:57 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 18:03
10:57 10:57 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−4 h
Buenos Aires is 4 h behind Slough.
When you, Slough 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
🇬🇧 Slough
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 | 🇬🇧 Slough | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 14:57 | 10:57 |
| 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 Slough | — | −4 h |
| IANA zone | Europe/London | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:33 | 06:07 |
| Sunset | 18:03 | 19:11 |
| Daylight | 10 h 29 min | 13 h 4 min |
| People on this clock | 164,455 | 2,891,082 |
Compare Slough with another city
More comparisons with Slough: the time zones next to it and the far side of the clock.
Big time differences
Slough and Buenos Aires: common questions
What is the time difference between Slough and Buenos Aires?
Buenos Aires is 4 hours behind: it uses UTC−3, while Slough is on UTC+1.
If it is 9:00 AM in Slough, what time is it in Buenos Aires?
At 9:00 AM in Slough, clocks in Buenos Aires show 5:00 AM.
What time is it in Buenos Aires at the end of the working day in Slough?
The working day in Slough ends at 6:00 PM; in Buenos Aires it is 2:00 PM at that moment.
When do working hours in Slough and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in Slough, which is 9:00 AM to 2:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Slough?
The new day starts in Buenos Aires later: until 4:00 AM in Slough, it is still the previous day there. From 8:00 PM in Buenos Aires, Slough is already on the next day.
Is the time difference between Slough and Buenos Aires the same all year?
No. Only Slough switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 3 hours behind Slough.
