Waterloo to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Waterloo. 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.
Waterloo 21:28 9:28 PM Buenos Aires 22:28 10:28 PM You –:–
21:28 9:28 PM
Eastern Daylight Time · UTC-4
☀️ 07:29 · 🌙 18:51
22:28 10:28 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+1 h
Buenos Aires is 1 h ahead of Waterloo.
When you, Waterloo 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
🇨🇦 Waterloo
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 | 🇨🇦 Waterloo | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 21:28 | 22:28 |
| 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 Waterloo | — | +1 h |
| IANA zone | America/Toronto | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:29 | 06:20 |
| Sunset | 18:51 | 19:03 |
| Daylight | 11 h 21 min | 12 h 43 min |
| People on this clock | 121,436 | 2,891,082 |
Compare Waterloo with another city
More comparisons with Waterloo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Waterloo and Buenos Aires: common questions
How many hours ahead of Waterloo is Buenos Aires?
The clocks in Buenos Aires are 1 hour ahead of those in Waterloo (UTC−3 and UTC−4).
What time is it in Buenos Aires when it is 9:00 AM in Waterloo?
When it is 9:00 AM in Waterloo, it is 10:00 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Waterloo?
When it is 6:00 PM in Waterloo, it is 7:00 PM in Buenos Aires.
When do working hours in Waterloo and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Waterloo, 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 Waterloo 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 Waterloo.
Does the time difference between Waterloo and Buenos Aires change?
Yes. The clocks change only in Waterloo. From November 1, 2026, Buenos Aires will be 2 hours ahead of Waterloo.
