Peterborough to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Peterborough. 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.
Peterborough 03:07 3:07 AM Buenos Aires 04:07 4:07 AM You –:–
03:07 3:07 AM
Eastern Daylight Time · UTC-4
☀️ 07:34 · 🌙 18:24
04:07 4:07 AM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
+1 h
Buenos Aires is 1 h ahead of Peterborough.
When you, Peterborough 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
🇨🇦 Peterborough
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 | 🇨🇦 Peterborough | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 03:07 | 04:07 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Peterborough | — | +1 h |
| IANA zone | America/Toronto | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:34 | 06:07 |
| Sunset | 18:24 | 19:11 |
| Daylight | 10 h 50 min | 13 h 4 min |
| People on this clock | 81,032 | 2,891,082 |
Compare Peterborough with another city
More comparisons with Peterborough: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Peterborough and Buenos Aires: common questions
What is the time difference between Peterborough and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Peterborough is on UTC−4.
What time is it in Buenos Aires at the start of the working day in Peterborough?
The working day in Peterborough starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Peterborough?
When it is 6:00 PM in Peterborough, it is 7:00 PM in Buenos Aires.
Is there a time when both Peterborough and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Peterborough (10:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
From what time in Peterborough is it tomorrow in Buenos Aires?
Once it is 11:00 PM in Peterborough, the date in Buenos Aires has already changed. Until 1:00 AM in Buenos Aires, it is still the previous day in Peterborough.
Does the time difference between Peterborough and Buenos Aires change?
Yes. The clocks change only in Peterborough. From November 1, 2026, Buenos Aires will be 2 hours ahead of Peterborough.
