Ames, IA to Rio de Janeiro: time difference
Rio de Janeiro is 2 h ahead of Ames, 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.
Ames, IA 12:42 12:42 PM Rio de Janeiro 14:42 2:42 PM You –:–
12:42 12:42 PM
Central Daylight Time · UTC-5
☀️ 07:31 · 🌙 18:30
14:42 2:42 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
·
+2 h
Rio de Janeiro is 2 h ahead of Ames, IA.
When you, Ames, 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
🇺🇸 Ames, 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 | 🇺🇸 Ames, IA | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 12:42 | 14:42 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Ames, IA | — | +2 h |
| IANA zone | America/Chicago | America/Sao Paulo |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:31 | 05:19 |
| Sunset | 18:30 | 17:59 |
| Daylight | 10 h 59 min | 12 h 40 min |
| People on this clock | 66,427 | 6,211,223 |
Compare Ames, IA with another city
More comparisons with Ames, IA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ames, IA and Rio de Janeiro: common questions
How far ahead of Ames, IA, is Rio de Janeiro?
Rio de Janeiro is 2 hours ahead of Ames: UTC−3 against UTC−5.
What time is it in Rio de Janeiro at the start of the working day in Ames, IA?
The working day in Ames 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 Ames, IA?
The working day in Ames ends at 6:00 PM; in Rio de Janeiro it is 8:00 PM at that moment.
When is a good time to call Rio de Janeiro from Ames, IA?
Between 9:00 AM and 4:00 PM in Ames – that is 11:00 AM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Rio de Janeiro compared with Ames, IA?
The new day starts in Rio de Janeiro earlier: at 10:00 PM in Ames it is already midnight there. Until 2:00 AM in Rio de Janeiro, Ames is still on the previous day.
Is the time difference between Ames, IA, and Rio de Janeiro the same all year?
No. Only Ames switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 3 hours ahead of Ames.
