Princeton, NJ to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Princeton, NJ. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
28
- Argentina Standard Time
- UTC-3
- Twilight
☀️ 06:18 · 🌙 19:05 · 12 h 47 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Princeton, NJ 18:51 6:51 PM Buenos Aires 19:51 7:51 PM You –:–
18:51 6:51 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:26
19:51 7:51 PM
Argentina Standard Time · UTC-3
☀️ 06:18 · 🌙 19:05
·
+1 h
Buenos Aires is 1 h ahead of Princeton, NJ.
When you, Princeton, NJ 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
🇺🇸 Princeton, NJ
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 | 🇺🇸 Princeton, NJ | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 18:51 | 19:51 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Princeton, NJ | — | +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 | 07:06 | 06:18 |
| Sunset | 18:26 | 19:05 |
| Daylight | 11 h 21 min | 12 h 47 min |
| People on this clock | 29,603 | 2,891,082 |
Compare Princeton, NJ with another city
More comparisons with Princeton, NJ: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Princeton, NJ and Buenos Aires: common questions
What is the time difference between Princeton, NJ, and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Princeton is on UTC−4.
If it is 9:00 AM in Princeton, NJ, what time is it in Buenos Aires?
At 9:00 AM in Princeton, clocks in Buenos Aires show 10:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Princeton, NJ?
When it is 6:00 PM in Princeton, it is 7:00 PM in Buenos Aires.
When do working hours in Princeton, NJ, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Princeton, which is 10:00 AM to 6:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Princeton, NJ?
The new day starts in Buenos Aires earlier: at 11:00 PM in Princeton it is already midnight there. Until 1:00 AM in Buenos Aires, Princeton is still on the previous day.
Does the time gap between Princeton, NJ, and Buenos Aires change during the year?
Yes – daylight saving time is used in Princeton but not in Buenos Aires. From November 1, 2026, Buenos Aires will be 2 hours ahead of Princeton.
