Buenos Aires to Decatur, IL: time difference
Decatur, IL 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 20:39 8:39 PM Decatur, IL 18:39 6:39 PM You –:–
20:39 8:39 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
18:39 6:39 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:12
·
−2 h
Decatur, IL is 2 h behind Buenos Aires.
When you, Buenos Aires and Decatur, IL 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
🇺🇸 Decatur, IL
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 | 🇺🇸 Decatur, IL |
|---|---|---|
| Local time | 20:39 | 18:39 |
| 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 | 07:11 |
| Sunset | 19:11 | 18:12 |
| Daylight | 13 h 4 min | 11 h 1 min |
| People on this clock | 2,891,082 | 77,047 |
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 Decatur, IL: common questions
What is the time difference between Buenos Aires and Decatur, IL?
Decatur is 2 hours behind: it uses UTC−5, while Buenos Aires is on UTC−3.
What time is it in Decatur, IL, when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 7:00 AM in Decatur.
What time is it in Decatur, IL, when it is 6:00 PM in Buenos Aires?
When it is 6:00 PM in Buenos Aires, it is 4:00 PM in Decatur.
When is a good time to call Decatur, IL, from Buenos Aires?
Between 11:00 AM and 6:00 PM in Buenos Aires – that is 9:00 AM to 4:00 PM in Decatur – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Buenos Aires is it still yesterday in Decatur, IL?
Before 2:00 AM in Buenos Aires, the date in Decatur has not changed yet. From 10:00 PM in Decatur, it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and Decatur, IL, the same all year?
No. Only Decatur switches to summer time, so the gap changes twice a year. From November 1, 2026, Decatur will be 3 hours behind Buenos Aires.
