Hamilton to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Hamilton. 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.
Hamilton 21:35 9:35 PM Buenos Aires 22:35 10:35 PM You –:–
21:35 9:35 PM
Eastern Daylight Time · UTC-4
☀️ 07:27 · 🌙 18:48
22:35 10:35 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+1 h
Buenos Aires is 1 h ahead of Hamilton.
When you, Hamilton 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
🇨🇦 Hamilton
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 | 🇨🇦 Hamilton | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 21:35 | 22:35 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Eastern Daylight Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Hamilton | — | +1 h |
| IANA zone | America/Toronto | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:27 | 06:20 |
| Sunset | 18:48 | 19:03 |
| Daylight | 11 h 22 min | 12 h 43 min |
| People on this clock | 519,949 | 2,891,082 |
Compare Hamilton with another city
More comparisons with Hamilton: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Hamilton and Buenos Aires: common questions
What is the time difference between Hamilton and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Hamilton is on UTC−4.
What time is it in Buenos Aires at the start of the working day in Hamilton?
The working day in Hamilton 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 Hamilton?
When it is 6:00 PM in Hamilton, it is 7:00 PM in Buenos Aires.
Is there a time when both Hamilton and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Hamilton (10:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Hamilton?
The new day starts in Buenos Aires earlier: at 11:00 PM in Hamilton it is already midnight there. Until 1:00 AM in Buenos Aires, Hamilton is still on the previous day.
Is the time difference between Hamilton and Buenos Aires the same all year?
No. Only Hamilton switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 2 hours ahead of Hamilton.
