Aurora, IL to Buenos Aires: time difference
Buenos Aires is 2 h ahead of Aurora, 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.
Aurora, IL 02:17 2:17 AM Buenos Aires 04:17 4:17 AM You –:–
02:17 2:17 AM
Central Daylight Time · UTC-5
☀️ 07:00 · 🌙 18:21
04:17 4:17 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
+2 h
Buenos Aires is 2 h ahead of Aurora, IL.
When you, Aurora, 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
🇺🇸 Aurora, 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 | 🇺🇸 Aurora, IL | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 02:17 | 04:17 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Daylight Time | Argentina Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Aurora, 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 | 07:00 | 06:19 |
| Sunset | 18:21 | 19:04 |
| Daylight | 11 h 21 min | 12 h 45 min |
| People on this clock | 180,542 | 2,891,082 |
Compare Aurora, IL with another city
More comparisons with Aurora, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Aurora, IL and Buenos Aires: common questions
How many hours ahead of Aurora, IL, is Buenos Aires?
The clocks in Buenos Aires are 2 hours ahead of those in Aurora (UTC−3 and UTC−5).
If it is 9:00 AM in Aurora, IL, what time is it in Buenos Aires?
At 9:00 AM in Aurora, clocks in Buenos Aires show 11:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Aurora, IL?
When it is 6:00 PM in Aurora, it is 8:00 PM in Buenos Aires.
When do working hours in Aurora, IL, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Aurora, 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 Aurora, 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 Aurora.
Does the time difference between Aurora, IL, and Buenos Aires change?
Yes. The clocks change only in Aurora. From November 1, 2026, Buenos Aires will be 3 hours ahead of Aurora.
