Buenos Aires to Rochester, NY: time difference
Rochester, 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 22:46 10:46 PM Rochester, NY 21:46 9:46 PM You –:–
22:46 10:46 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
21:46 9:46 PM
Eastern Daylight Time · UTC-4
☀️ 07:17 · 🌙 18:39
·
−1 h
Rochester, NY is 1 h behind Buenos Aires.
When you, Buenos Aires and Rochester, 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
🇺🇸 Rochester, 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 | 🇺🇸 Rochester, NY |
|---|---|---|
| Local time | 22:46 | 21:46 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 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 | 06:20 | 07:17 |
| Sunset | 19:03 | 18:39 |
| Daylight | 12 h 43 min | 11 h 22 min |
| People on this clock | 2,891,082 | 211,328 |
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 Rochester, NY: common questions
What is the time difference between Buenos Aires and Rochester, NY?
Rochester is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
What time is it in Rochester, NY, when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Rochester.
If it is 6:00 PM in Buenos Aires, what time is it in Rochester, NY?
At 6:00 PM in Buenos Aires, clocks in Rochester show 5:00 PM.
When do working hours in Buenos Aires and in Rochester, NY, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Buenos Aires, which is 9:00 AM to 5:00 PM in Rochester.
Until what time in Buenos Aires is it still yesterday in Rochester, NY?
Before 1:00 AM in Buenos Aires, the date in Rochester has not changed yet. From 11:00 PM in Rochester, it is already the next day in Buenos Aires.
Does the time gap between Buenos Aires and Rochester, NY, change during the year?
Yes – daylight saving time is used in Rochester but not in Buenos Aires. From November 1, 2026, Rochester will be 2 hours behind Buenos Aires.
