New Castle, PA to Buenos Aires: time difference
Buenos Aires is 1 h ahead of New Castle, PA. 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.
New Castle, PA 22:29 10:29 PM Buenos Aires 23:29 11:29 PM You –:–
22:29 10:29 PM
Eastern Daylight Time · UTC-4
☀️ 07:39 · 🌙 18:35
23:29 11:29 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+1 h
Buenos Aires is 1 h ahead of New Castle, PA.
When you, New Castle, PA 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
🇺🇸 New Castle, PA
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 | 🇺🇸 New Castle, PA | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 22:29 | 23:29 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from New Castle, PA | — | +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 | 07:39 | 06:06 |
| Sunset | 18:35 | 19:12 |
| Daylight | 10 h 56 min | 13 h 6 min |
| People on this clock | 21,926 | 2,891,082 |
Compare New Castle, PA with another city
More comparisons with New Castle, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
New Castle, PA and Buenos Aires: common questions
How far ahead of New Castle, PA, is Buenos Aires?
Buenos Aires is 1 hour ahead of New Castle: UTC−3 against UTC−4.
If it is 9:00 AM in New Castle, PA, what time is it in Buenos Aires?
At 9:00 AM in New Castle, clocks in Buenos Aires show 10:00 AM.
What time is it in Buenos Aires at the end of the working day in New Castle, PA?
The working day in New Castle ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When do working hours in New Castle, PA, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in New Castle, which is 10:00 AM to 6:00 PM in Buenos Aires.
When is it already the next day in Buenos Aires?
From 11:00 PM in New Castle, PA, it is already the next day in Buenos Aires. The other way round, until 1:00 AM in Buenos Aires it is still the previous day in New Castle.
Does the time difference between New Castle, PA, and Buenos Aires change?
Yes. The clocks change only in New Castle. From November 1, 2026, Buenos Aires will be 2 hours ahead of New Castle.
