Buenos Aires to Rochester, MI: time difference
Rochester, MI 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 23:05 11:05 PM Rochester, MI 22:05 10:05 PM You –:–
23:05 11:05 PM
Argentina Standard Time · UTC-3
☀️ 06:18 · 🌙 19:05
22:05 10:05 PM
Eastern Daylight Time · UTC-4
☀️ 07:42 · 🌙 18:58
·
−1 h
Rochester, MI is 1 h behind Buenos Aires.
When you, Buenos Aires and Rochester, MI 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, MI
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, MI |
|---|---|---|
| Local time | 23:05 | 22:05 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 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/Detroit |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:18 | 07:42 |
| Sunset | 19:05 | 18:58 |
| Daylight | 12 h 47 min | 11 h 17 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, MI: common questions
How far behind Buenos Aires is Rochester, MI?
Rochester is 1 hour behind Buenos Aires: UTC−4 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Rochester, MI?
At 9:00 AM in Buenos Aires, clocks in Rochester show 8:00 AM.
What time is it in Rochester, MI, at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Rochester it is 5:00 PM at that moment.
Is there a time when both Buenos Aires and Rochester, MI, are at work?
Yes: from 10:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 5:00 PM in Rochester), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Rochester, MI, compared with Buenos Aires?
The new day starts in Rochester later: until 1:00 AM in Buenos Aires, it is still the previous day there. From 11:00 PM in Rochester, Buenos Aires is already on the next day.
Is the time difference between Buenos Aires and Rochester, MI, the same all year?
No. Only Rochester switches to summer time, so the gap changes twice a year. From November 1, 2026, Rochester will be 2 hours behind Buenos Aires.
