Buenos Aires to Brookhaven, NY: time difference
Brookhaven, NY is 1 h behind Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 16:22 4:22 PM Brookhaven, NY 15:22 3:22 PM You –:–
16:22 4:22 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
15:22 3:22 PM
Eastern Daylight Time · UTC-4
☀️ 07:09 · 🌙 18:05
·
−1 h
Brookhaven, NY is 1 h behind Buenos Aires.
When you, Buenos Aires and Brookhaven, NY 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
🇺🇸 Brookhaven, NY
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 20 8 PM 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇺🇸 Brookhaven, NY |
|---|---|---|
| Local time | 16:22 | 15:22 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Argentina Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Buenos Aires | — | −1 h |
| IANA zone | America/Argentina/Buenos Aires | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:06 | 07:09 |
| Sunset | 19:12 | 18:05 |
| Daylight | 13 h 6 min | 10 h 57 min |
| People on this clock | 2,891,082 | 11,674 |
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 Brookhaven, NY: common questions
How far behind Buenos Aires is Brookhaven, NY?
Brookhaven is 1 hour behind Buenos Aires: UTC−4 against UTC−3.
What time is it in Brookhaven, NY, at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Brookhaven it is 8:00 AM at that moment.
If it is 6:00 PM in Buenos Aires, what time is it in Brookhaven, NY?
At 6:00 PM in Buenos Aires, clocks in Brookhaven show 5:00 PM.
Is there a time when both Buenos Aires and Brookhaven, NY, are at work?
Yes: from 10:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 5:00 PM in Brookhaven), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Brookhaven, NY?
Until 1:00 AM in Buenos Aires it is still the previous day in Brookhaven. The other way round, from 11:00 PM in Brookhaven it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and Brookhaven, NY, change?
Yes. The clocks change only in Brookhaven. From November 1, 2026, Brookhaven will be 2 hours behind Buenos Aires.
