Waterloo to Buenos Aires: time difference
Buenos Aires is 5 h behind Waterloo. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Waterloo 01:39 1:39 AM Buenos Aires 20:39 8:39 PM You –:–
01:39 1:39 AM
Central European Summer Time · UTC+2
☀️ 08:09 · 🌙 18:48
20:39 8:39 PM
Argentina Standard Time · UTC-3
☀️ 06:10 · 🌙 19:10
·
−5 h
Buenos Aires is 5 h behind 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
19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇪 Waterloo | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:39 | 20:39 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Waterloo | — | −5 h |
| IANA zone | Europe/Brussels | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 08:09 | 06:10 |
| Sunset | 18:48 | 19:10 |
| Daylight | 10 h 40 min | 13 h |
| People on this clock | 29,649 | 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.
Big time differences
Waterloo and Buenos Aires: common questions
What is the time difference between Waterloo and Buenos Aires?
Buenos Aires is 5 hours behind: it uses UTC−3, while Waterloo is on UTC+2.
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 4:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Waterloo?
The working day in Waterloo ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
When do working hours in Waterloo and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Waterloo, which is 9:00 AM to 1:00 PM in Buenos Aires.
Until what time in Waterloo is it still yesterday in Buenos Aires?
Before 5:00 AM in Waterloo, the date in Buenos Aires has not changed yet. From 7:00 PM in Buenos Aires, it is already the next day in Waterloo.
Does the time difference between Waterloo and Buenos Aires change?
Yes. The clocks change only in Waterloo. From October 25, 2026, Buenos Aires will be 4 hours behind Waterloo.
