Buenos Aires to Waterloo, IA: time difference
Waterloo, IA is 2 h behind Buenos Aires. 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.
Buenos Aires 15:47 3:47 PM Waterloo, IA 13:47 1:47 PM You –:–
15:47 3:47 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
13:47 1:47 PM
Central Daylight Time · UTC-5
☀️ 07:28 · 🌙 18:22
·
−2 h
Waterloo, IA is 2 h behind Buenos Aires.
When you, Buenos Aires and Waterloo, IA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇺🇸 Waterloo, IA
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 19 7 PM 20 8 PM 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇺🇸 Waterloo, IA |
|---|---|---|
| Local time | 15:47 | 13:47 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Argentina Standard Time | Central Daylight Time |
| UTC offset | UTC-3 | UTC-5 |
| Offset from Buenos Aires | — | −2 h |
| IANA zone | America/Argentina/Buenos Aires | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:07 | 07:28 |
| Sunset | 19:11 | 18:22 |
| Daylight | 13 h 4 min | 10 h 55 min |
| People on this clock | 2,891,082 | 67,314 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Waterloo, IA: common questions
How many hours behind Buenos Aires is Waterloo, IA?
The clocks in Waterloo are 2 hours behind those in Buenos Aires (UTC−5 and UTC−3).
If it is 9:00 AM in Buenos Aires, what time is it in Waterloo, IA?
At 9:00 AM in Buenos Aires, clocks in Waterloo show 7:00 AM.
What time is it in Waterloo, IA, at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Waterloo it is 4:00 PM at that moment.
Is there a time when both Buenos Aires and Waterloo, IA, are at work?
Yes: from 11:00 AM to 6:00 PM in Buenos Aires (9:00 AM to 4:00 PM in Waterloo), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Waterloo, IA, compared with Buenos Aires?
The new day starts in Waterloo later: until 2:00 AM in Buenos Aires, it is still the previous day there. From 10:00 PM in Waterloo, Buenos Aires is already on the next day.
Does the time difference between Buenos Aires and Waterloo, IA, change?
Yes. The clocks change only in Waterloo. From November 1, 2026, Waterloo will be 3 hours behind Buenos Aires.
