Buenos Aires to West Caldwell, NJ: time difference
West Caldwell, 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 02:59 2:59 AM West Caldwell, NJ 01:59 1:59 AM You –:–
02:59 2:59 AM
Argentina Standard Time · UTC-3
☀️ 06:04 · 🌙 19:14
01:59 1:59 AM
Eastern Daylight Time · UTC-4
☀️ 07:17 · 🌙 18:08
·
−1 h
West Caldwell, NJ is 1 h behind Buenos Aires.
When you, Buenos Aires and West Caldwell, 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
🇺🇸 West Caldwell, 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 | 🇺🇸 West Caldwell, NJ |
|---|---|---|
| Local time | 02:59 | 01:59 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 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 | 06:04 | 07:17 |
| Sunset | 19:14 | 18:08 |
| Daylight | 13 h 10 min | 10 h 51 min |
| People on this clock | 2,891,082 | 10,797 |
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 West Caldwell, NJ: common questions
How many hours behind Buenos Aires is West Caldwell, NJ?
The clocks in West Caldwell are 1 hour behind those in Buenos Aires (UTC−4 and UTC−3).
What time is it in West Caldwell, 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 West Caldwell.
What time is it in West Caldwell, NJ, at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in West Caldwell it is 5:00 PM at that moment.
When do working hours in Buenos Aires and in West Caldwell, 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 West Caldwell.
When does the date change in West Caldwell, NJ, compared with Buenos Aires?
The new day starts in West Caldwell later: until 1:00 AM in Buenos Aires, it is still the previous day there. From 11:00 PM in West Caldwell, Buenos Aires is already on the next day.
Is the time difference between Buenos Aires and West Caldwell, NJ, the same all year?
No. Only West Caldwell switches to summer time, so the gap changes twice a year. From November 1, 2026, West Caldwell will be 2 hours behind Buenos Aires.
