Long Island, NY to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Long Island, NY. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇷 Rio de Janeiro, Brazil
46
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:19 · 🌙 17:58 · 12 h 39 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Long Island, NY 16:33 4:33 PM Rio de Janeiro 17:33 5:33 PM You –:–
16:33 4:33 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:10
17:33 5:33 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
·
+1 h
Rio de Janeiro is 1 h ahead of Long Island, NY.
When you, Long Island, NY 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
🇺🇸 Long Island, NY
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Long Island, NY | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 16:33 | 17:33 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Long Island, NY | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:06 | 05:19 |
| Sunset | 18:10 | 17:58 |
| Daylight | 11 h 4 min | 12 h 39 min |
| People on this clock | 7,804,968 | 6,211,223 |
Compare Long Island, NY with another city
More comparisons with Long Island, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Long Island, NY and Rio de Janeiro: common questions
What is the time difference between Long Island, NY, and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Long Island is on UTC−4.
If it is 9:00 AM in Long Island, NY, what time is it in Rio de Janeiro?
At 9:00 AM in Long Island, clocks in Rio de Janeiro show 10:00 AM.
What time is it in Rio de Janeiro when it is 6:00 PM in Long Island, NY?
When it is 6:00 PM in Long Island, it is 7:00 PM in Rio de Janeiro.
When is a good time to call Rio de Janeiro from Long Island, NY?
Between 9:00 AM and 5:00 PM in Long Island – 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 Long Island, NY?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Long Island it is already midnight there. Until 1:00 AM in Rio de Janeiro, Long Island is still on the previous day.
Does the time difference between Long Island, NY, and Rio de Janeiro change?
Yes. The clocks change only in Long Island. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Long Island.
