Buenos Aires to Summit, NJ: time difference
Summit, NJ 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 04:44 4:44 AM Summit, NJ 03:44 3:44 AM You –:–
04:44 4:44 AM
Argentina Standard Time · UTC-3
☀️ 06:16 · 🌙 19:06
03:44 3:44 AM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:23
·
−1 h
Summit, NJ is 1 h behind Buenos Aires.
When you, Buenos Aires and Summit, NJ 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
🇺🇸 Summit, NJ
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 | 🇺🇸 Summit, NJ |
|---|---|---|
| Local time | 04:44 | 03:44 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 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 | 06:16 | 07:06 |
| Sunset | 19:06 | 18:23 |
| Daylight | 12 h 49 min | 11 h 17 min |
| People on this clock | 2,891,082 | 11,161 |
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 Summit, NJ: common questions
What is the time difference between Buenos Aires and Summit, NJ?
Summit is 1 hour behind: it uses UTC−4, while Buenos Aires is on UTC−3.
What time is it in Summit, NJ, when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 8:00 AM in Summit.
What time is it in Summit, NJ, when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 5:00 PM in Summit.
When do working hours in Buenos Aires and in Summit, NJ, 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 Summit.
Until what time in Buenos Aires is it still yesterday in Summit, NJ?
Before 1:00 AM in Buenos Aires, the date in Summit has not changed yet. From 11:00 PM in Summit, it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and Summit, NJ, change?
Yes. The clocks change only in Summit. From November 1, 2026, Summit will be 2 hours behind Buenos Aires.
