Norwalk, CT to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Norwalk, CT. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Norwalk, CT 00:09 12:09 AM Rio de Janeiro 01:09 1:09 AM You –:–
00:09 12:09 AM
Eastern Daylight Time · UTC-4
☀️ 07:09 · 🌙 18:10
01:09 1:09 AM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+1 h
Rio de Janeiro is 1 h ahead of Norwalk, CT.
When you, Norwalk, CT 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
🇺🇸 Norwalk, CT
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
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 0 12 AM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 Norwalk, CT | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:09 | 01:09 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Norwalk, CT | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:09 | 05:18 |
| Sunset | 18:10 | 17:59 |
| Daylight | 11 h 1 min | 12 h 41 min |
| People on this clock | 85,603 | 6,211,223 |
Compare Norwalk, CT with another city
More comparisons with Norwalk, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Norwalk, CT and Rio de Janeiro: common questions
How many hours ahead of Norwalk, CT, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Norwalk (UTC−3 and UTC−4).
What time is it in Rio de Janeiro when it is 9:00 AM in Norwalk, CT?
When it is 9:00 AM in Norwalk, it is 10:00 AM in Rio de Janeiro.
What time is it in Rio de Janeiro at the end of the working day in Norwalk, CT?
The working day in Norwalk ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
When is a good time to call Rio de Janeiro from Norwalk, CT?
Between 9:00 AM and 5:00 PM in Norwalk – that is 10:00 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 Norwalk, CT?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Norwalk it is already midnight there. Until 1:00 AM in Rio de Janeiro, Norwalk is still on the previous day.
Does the time difference between Norwalk, CT, and Rio de Janeiro change?
Yes. The clocks change only in Norwalk. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Norwalk.
