Buenos Aires to Rockford, IL: time difference
Rockford, 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 00:15 12:15 AM Rockford, IL 22:15 10:15 PM You –:–
00:15 12:15 AM
Argentina Standard Time · UTC-3
☀️ 06:05 · 🌙 19:13
22:15 10:15 PM
Central Daylight Time · UTC-5
☀️ 07:17 · 🌙 18:07
·
−2 h
Rockford, IL is 2 h behind Buenos Aires.
When you, Buenos Aires and Rockford, 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
🇺🇸 Rockford, 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 | 🇺🇸 Rockford, IL |
|---|---|---|
| Local time | 00:15 | 22:15 |
| Local date | Thursday, October 22, 2026 | Wednesday, October 21, 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 | 06:05 | 07:17 |
| Sunset | 19:13 | 18:07 |
| Daylight | 13 h 8 min | 10 h 50 min |
| People on this clock | 2,891,082 | 148,655 |
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 Rockford, IL: common questions
How far behind Buenos Aires is Rockford, IL?
Rockford is 2 hours behind Buenos Aires: UTC−5 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Rockford, IL?
At 9:00 AM in Buenos Aires, clocks in Rockford show 7:00 AM.
What time is it in Rockford, 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 Rockford.
When is a good time to call Rockford, 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 Rockford – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Rockford, IL?
Until 2:00 AM in Buenos Aires it is still the previous day in Rockford. The other way round, from 10:00 PM in Rockford it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and Rockford, IL, the same all year?
No. Only Rockford switches to summer time, so the gap changes twice a year. From November 1, 2026, Rockford will be 3 hours behind Buenos Aires.
