Montclair, NJ to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Montclair, NJ. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Montclair, NJ 12:54 12:54 PM Buenos Aires 13:54 1:54 PM You –:–
12:54 12:54 PM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 18:13
13:54 1:54 PM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
+1 h
Buenos Aires is 1 h ahead of Montclair, NJ.
When you, Montclair, 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
🇺🇸 Montclair, 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
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Time zones side by side
| Detail | 🇺🇸 Montclair, NJ | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 12:54 | 13:54 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Montclair, 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 | 07:12 | 06:09 |
| Sunset | 18:13 | 19:11 |
| Daylight | 11 h 2 min | 13 h 2 min |
| People on this clock | 37,669 | 2,891,082 |
Compare Montclair, NJ with another city
More comparisons with Montclair, NJ: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montclair, NJ and Buenos Aires: common questions
How far ahead of Montclair, NJ, is Buenos Aires?
Buenos Aires is 1 hour ahead of Montclair: UTC−3 against UTC−4.
What time is it in Buenos Aires at the start of the working day in Montclair, NJ?
The working day in Montclair starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Montclair, NJ?
The working day in Montclair ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When do working hours in Montclair, NJ, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Montclair, which is 10:00 AM to 6:00 PM in Buenos Aires.
From what time in Montclair, NJ, is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Montclair, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Montclair.
Is the time difference between Montclair, NJ, and Buenos Aires the same all year?
No. Only Montclair switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Montclair.
