Philadelphia, PA to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Philadelphia, 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.
Philadelphia, PA 02:51 2:51 AM Buenos Aires 03:51 3:51 AM You –:–
02:51 2:51 AM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:30
03:51 3:51 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
+1 h
Buenos Aires is 1 h ahead of Philadelphia, PA.
When you, Philadelphia, 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
🇺🇸 Philadelphia, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Philadelphia, PA | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 02:51 | 03:51 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Philadelphia, 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 | 07:06 | 06:19 |
| Sunset | 18:30 | 19:04 |
| Daylight | 11 h 24 min | 12 h 45 min |
| People on this clock | 1,573,916 | 2,891,082 |
Compare Philadelphia, PA with another city
More comparisons with Philadelphia, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Philadelphia, PA and Buenos Aires: common questions
How many hours ahead of Philadelphia, PA, is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Philadelphia (UTC−3 and UTC−4).
What time is it in Buenos Aires at the start of the working day in Philadelphia, PA?
The working day in Philadelphia 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 Philadelphia, PA?
The working day in Philadelphia ends at 6:00 PM; in Buenos Aires it is 7:00 PM at that moment.
When is a good time to call Buenos Aires from Philadelphia, PA?
Between 9:00 AM and 5:00 PM in Philadelphia – that is 10:00 AM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
From what time in Philadelphia, PA, is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Philadelphia, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Philadelphia.
Is the time difference between Philadelphia, PA, and Buenos Aires the same all year?
No. Only Philadelphia switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Philadelphia.
