Buenos Aires to Brentwood: time difference
Brentwood is 4 h ahead of Buenos Aires. 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.
Buenos Aires 18:18 6:18 PM Brentwood 22:18 10:18 PM You –:–
18:18 6:18 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
22:18 10:18 PM
British Summer Time · UTC+1
☀️ 07:26 · 🌙 18:03
·
+4 h
Brentwood is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Brentwood are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇬🇧 Brentwood
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇬🇧 Brentwood |
|---|---|---|
| Local time | 18:18 | 22:18 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Argentina Standard Time | British Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Buenos Aires | — | +4 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:10 | 07:26 |
| Sunset | 19:10 | 18:03 |
| Daylight | 13 h | 10 h 37 min |
| People on this clock | 2,891,082 | 76,575 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Brentwood: common questions
What is the time difference between Buenos Aires and Brentwood?
Brentwood is 4 hours ahead: it uses UTC+1, while Buenos Aires is on UTC−3.
What time is it in Brentwood when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 1:00 PM in Brentwood.
If it is 6:00 PM in Buenos Aires, what time is it in Brentwood?
At 6:00 PM in Buenos Aires, clocks in Brentwood show 10:00 PM.
When do working hours in Buenos Aires and in Brentwood overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 2:00 PM in Buenos Aires, which is 1:00 PM to 6:00 PM in Brentwood.
When does the date change in Brentwood compared with Buenos Aires?
The new day starts in Brentwood earlier: at 8:00 PM in Buenos Aires it is already midnight there. Until 4:00 AM in Brentwood, Buenos Aires is still on the previous day.
Is the time difference between Buenos Aires and Brentwood the same all year?
No. Only Brentwood switches to summer time, so the gap changes twice a year. From October 25, 2026, Brentwood will be 3 hours ahead of Buenos Aires.
