🇧🇷 Rio de Janeiro, Brazil
48
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:15 · 🌙 18:01 · 12 h 46 min
Rio de Janeiro to Rocky Hill, CT: time difference
Rocky Hill, CT is 1 h behind Rio de Janeiro. 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.
Rio de Janeiro 05:35 5:35 AM Rocky Hill, CT 04:35 4:35 AM You –:–
05:35 5:35 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
04:35 4:35 AM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 17:59
·
−1 h
Rocky Hill, CT is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Rocky Hill, CT are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇺🇸 Rocky Hill, CT
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Rocky Hill, CT |
|---|---|---|
| Local time | 05:35 | 04:35 |
| Local date | Friday, October 23, 2026 | Friday, October 23, 2026 |
| Time zone | Brasilia Standard Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Rio de Janeiro | — | −1 h |
| IANA zone | America/Sao Paulo | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:15 | 07:12 |
| Sunset | 18:01 | 17:59 |
| Daylight | 12 h 46 min | 10 h 46 min |
| People on this clock | 6,211,223 | 18,806 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Rocky Hill, CT: common questions
What is the time difference between Rio de Janeiro and Rocky Hill, CT?
Rocky Hill is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
What time is it in Rocky Hill, CT, at the start of the working day in Rio de Janeiro?
The working day in Rio de Janeiro starts at 9:00 AM; in Rocky Hill it is 8:00 AM at that moment.
What time is it in Rocky Hill, CT, at the end of the working day in Rio de Janeiro?
The working day in Rio de Janeiro ends at 6:00 PM; in Rocky Hill it is 5:00 PM at that moment.
Is there a time when both Rio de Janeiro and Rocky Hill, CT, are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Rocky Hill), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Rocky Hill, CT, compared with Rio de Janeiro?
The new day starts in Rocky Hill later: until 1:00 AM in Rio de Janeiro, it is still the previous day there. From 11:00 PM in Rocky Hill, Rio de Janeiro is already on the next day.
Does the time gap between Rio de Janeiro and Rocky Hill, CT, change during the year?
Yes – daylight saving time is used in Rocky Hill but not in Rio de Janeiro. From November 1, 2026, Rocky Hill will be 2 hours behind Rio de Janeiro.
