Rock Island, IL to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Rock Island, 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.
Rock Island, IL 16:22 4:22 PM Rio de Janeiro 18:22 6:22 PM You –:–
16:22 4:22 PM
Central Daylight Time · UTC-5
☀️ 07:20 · 🌙 18:15
18:22 6:22 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
·
+2 h
Rio de Janeiro is 2 h ahead of Rock Island, IL.
When you, Rock Island, IL and Rio de Janeiro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Rock Island, 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
🇧🇷 Rio de Janeiro
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 | 🇺🇸 Rock Island, IL | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 16:22 | 18:22 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Rock Island, IL | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:20 | 05:17 |
| Sunset | 18:15 | 18:00 |
| Daylight | 10 h 55 min | 12 h 43 min |
| People on this clock | 37,108 | 6,211,223 |
Compare Rock Island, IL with another city
More comparisons with Rock Island, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rock Island, IL and Rio de Janeiro: common questions
What is the time difference between Rock Island, IL, and Rio de Janeiro?
Rio de Janeiro is 2 hours ahead: it uses UTC−3, while Rock Island is on UTC−5.
What time is it in Rio de Janeiro at the start of the working day in Rock Island, IL?
The working day in Rock Island starts at 9:00 AM; in Rio de Janeiro it is 11:00 AM at that moment.
If it is 6:00 PM in Rock Island, IL, what time is it in Rio de Janeiro?
At 6:00 PM in Rock Island, clocks in Rio de Janeiro show 8:00 PM.
Is there a time when both Rock Island, IL, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 4:00 PM in Rock Island (11:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Rock Island, IL, is it tomorrow in Rio de Janeiro?
Once it is 10:00 PM in Rock Island, the date in Rio de Janeiro has already changed. Until 2:00 AM in Rio de Janeiro, it is still the previous day in Rock Island.
Does the time difference between Rock Island, IL, and Rio de Janeiro change?
Yes. The clocks change only in Rock Island. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Rock Island.
