Decatur, IL to Buenos Aires: time difference
Buenos Aires is 2 h ahead of Decatur, IL. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Decatur, IL 13:31 1:31 PM Buenos Aires 15:31 3:31 PM You –:–
13:31 1:31 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:12
15:31 3:31 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
+2 h
Buenos Aires is 2 h ahead of Decatur, IL.
When you, Decatur, IL 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
🇺🇸 Decatur, IL
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
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 1 1 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Decatur, IL | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 13:31 | 15:31 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Argentina Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Decatur, IL | — | +2 h |
| IANA zone | America/Chicago | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:11 | 06:07 |
| Sunset | 18:12 | 19:11 |
| Daylight | 11 h 1 min | 13 h 4 min |
| People on this clock | 77,047 | 2,891,082 |
Compare Decatur, IL with another city
More comparisons with Decatur, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Decatur, IL and Buenos Aires: common questions
How many hours ahead of Decatur, IL, is Buenos Aires?
The clocks in Buenos Aires are 2 hours ahead of those in Decatur (UTC−3 and UTC−5).
What time is it in Buenos Aires at the start of the working day in Decatur, IL?
The working day in Decatur starts at 9:00 AM; in Buenos Aires it is 11:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Decatur, IL?
When it is 6:00 PM in Decatur, it is 8:00 PM in Buenos Aires.
When do working hours in Decatur, IL, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Decatur, which is 11:00 AM to 6:00 PM in Buenos Aires.
When is it already the next day in Buenos Aires?
From 10:00 PM in Decatur, IL, it is already the next day in Buenos Aires. The other way round, until 2:00 AM in Buenos Aires it is still the previous day in Decatur.
Does the time gap between Decatur, IL, and Buenos Aires change during the year?
Yes – daylight saving time is used in Decatur but not in Buenos Aires. From November 1, 2026, Buenos Aires will be 3 hours ahead of Decatur.
