Iowa City, IA to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Iowa City, IA. 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.
Iowa City, IA 13:51 1:51 PM Rio de Janeiro 15:51 3:51 PM You –:–
13:51 1:51 PM
Central Daylight Time · UTC-5
☀️ 07:23 · 🌙 18:20
15:51 3:51 PM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+2 h
Rio de Janeiro is 2 h ahead of Iowa City, IA.
When you, Iowa City, IA 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
🇺🇸 Iowa City, IA
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 | 🇺🇸 Iowa City, IA | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 13:51 | 15:51 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Iowa City, IA | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:23 | 05:18 |
| Sunset | 18:20 | 17:59 |
| Daylight | 10 h 57 min | 12 h 41 min |
| People on this clock | 74,828 | 6,211,223 |
Compare Iowa City, IA with another city
More comparisons with Iowa City, IA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Iowa City, IA and Rio de Janeiro: common questions
How far ahead of Iowa City, IA, is Rio de Janeiro?
Rio de Janeiro is 2 hours ahead of Iowa City: UTC−3 against UTC−5.
What time is it in Rio de Janeiro at the start of the working day in Iowa City, IA?
The working day in Iowa City starts at 9:00 AM; in Rio de Janeiro it is 11:00 AM at that moment.
What time is it in Rio de Janeiro at the end of the working day in Iowa City, IA?
The working day in Iowa City ends at 6:00 PM; in Rio de Janeiro it is 8:00 PM at that moment.
Is there a time when both Iowa City, IA, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 4:00 PM in Iowa City (11:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Rio de Janeiro?
From 10:00 PM in Iowa City, IA, it is already the next day in Rio de Janeiro. The other way round, until 2:00 AM in Rio de Janeiro it is still the previous day in Iowa City.
Does the time difference between Iowa City, IA, and Rio de Janeiro change?
Yes. The clocks change only in Iowa City. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Iowa City.
