Buenos Aires to Princeton, NJ: time difference
Princeton, 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 20:36 8:36 PM Princeton, NJ 19:36 7:36 PM You –:–
20:36 8:36 PM
Argentina Standard Time · UTC-3
☀️ 06:18 · 🌙 19:05
19:36 7:36 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:26
·
−1 h
Princeton, NJ is 1 h behind Buenos Aires.
When you, Buenos Aires and Princeton, 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
🇺🇸 Princeton, 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 | 🇺🇸 Princeton, NJ |
|---|---|---|
| Local time | 20:36 | 19:36 |
| 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/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:18 | 07:06 |
| Sunset | 19:05 | 18:26 |
| Daylight | 12 h 47 min | 11 h 21 min |
| People on this clock | 2,891,082 | 29,603 |
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 Princeton, NJ: common questions
How far behind Buenos Aires is Princeton, NJ?
Princeton 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 Princeton, NJ?
At 9:00 AM in Buenos Aires, clocks in Princeton show 8:00 AM.
If it is 6:00 PM in Buenos Aires, what time is it in Princeton, NJ?
At 6:00 PM in Buenos Aires, clocks in Princeton show 5:00 PM.
Is there a time when both Buenos Aires and Princeton, NJ, are at work?
Yes: from 10:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 5:00 PM in Princeton), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Buenos Aires is it still yesterday in Princeton, NJ?
Before 1:00 AM in Buenos Aires, the date in Princeton has not changed yet. From 11:00 PM in Princeton, it is already the next day in Buenos Aires.
Does the time gap between Buenos Aires and Princeton, NJ, change during the year?
Yes – daylight saving time is used in Princeton but not in Buenos Aires. From November 1, 2026, Princeton will be 2 hours behind Buenos Aires.
