Rocky Hill, CT to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Rocky Hill, 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.
Rocky Hill, CT 04:09 4:09 AM Rio de Janeiro 05:09 5:09 AM You –:–
04:09 4:09 AM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 17:59
05:09 5:09 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
·
+1 h
Rio de Janeiro is 1 h ahead of Rocky Hill, CT.
When you, Rocky Hill, 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
🇺🇸 Rocky Hill, 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 | 🇺🇸 Rocky Hill, CT | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 04:09 | 05:09 |
| Local date | Friday, October 23, 2026 | Friday, October 23, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Rocky Hill, 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 | 07:12 | 05:15 |
| Sunset | 17:59 | 18:01 |
| Daylight | 10 h 46 min | 12 h 46 min |
| People on this clock | 18,806 | 6,211,223 |
Compare Rocky Hill, CT with another city
More comparisons with Rocky Hill, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rocky Hill, CT and Rio de Janeiro: common questions
How far ahead of Rocky Hill, CT, is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Rocky Hill: UTC−3 against UTC−4.
If it is 9:00 AM in Rocky Hill, CT, what time is it in Rio de Janeiro?
At 9:00 AM in Rocky Hill, clocks in Rio de Janeiro show 10:00 AM.
If it is 6:00 PM in Rocky Hill, CT, what time is it in Rio de Janeiro?
At 6:00 PM in Rocky Hill, clocks in Rio de Janeiro show 7:00 PM.
When do working hours in Rocky Hill, CT, and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Rocky Hill, which is 10:00 AM to 6:00 PM in Rio de Janeiro.
From what time in Rocky Hill, CT, is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Rocky Hill, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Rocky Hill.
Is the time difference between Rocky Hill, CT, and Rio de Janeiro the same all year?
No. Only Rocky Hill switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Rocky Hill.
