Brookhaven, NY to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Brookhaven, NY. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Brookhaven, NY 15:14 3:14 PM Buenos Aires 16:14 4:14 PM You –:–
15:14 3:14 PM
Eastern Daylight Time · UTC-4
☀️ 07:09 · 🌙 18:05
16:14 4:14 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+1 h
Buenos Aires is 1 h ahead of Brookhaven, NY.
When you, Brookhaven, NY 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
🇺🇸 Brookhaven, NY
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Brookhaven, NY | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 15:14 | 16:14 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Brookhaven, NY | — | +1 h |
| IANA zone | America/New York | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:09 | 06:06 |
| Sunset | 18:05 | 19:12 |
| Daylight | 10 h 57 min | 13 h 6 min |
| People on this clock | 11,674 | 2,891,082 |
Compare Brookhaven, NY with another city
More comparisons with Brookhaven, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Brookhaven, NY and Buenos Aires: common questions
How far ahead of Brookhaven, NY, is Buenos Aires?
Buenos Aires is 1 hour ahead of Brookhaven: UTC−3 against UTC−4.
If it is 9:00 AM in Brookhaven, NY, what time is it in Buenos Aires?
At 9:00 AM in Brookhaven, clocks in Buenos Aires show 10:00 AM.
What time is it in Buenos Aires at the end of the working day in Brookhaven, NY?
The working day in Brookhaven ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When is a good time to call Buenos Aires from Brookhaven, NY?
Between 9:00 AM and 5:00 PM in Brookhaven – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
From what time in Brookhaven, NY, is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Brookhaven, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Brookhaven.
Is the time difference between Brookhaven, NY, and Buenos Aires the same all year?
No. Only Brookhaven switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Brookhaven.
