Rio de Janeiro to Long Island, NY: time difference
Long Island, NY 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 19:28 7:28 PM Long Island, NY 18:28 6:28 PM You –:–
19:28 7:28 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:58
18:28 6:28 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:10
·
−1 h
Long Island, NY is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Long Island, NY 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
🇺🇸 Long Island, NY
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 | 🇺🇸 Long Island, NY |
|---|---|---|
| Local time | 19:28 | 18:28 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 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 | 05:19 | 07:06 |
| Sunset | 17:58 | 18:10 |
| Daylight | 12 h 39 min | 11 h 4 min |
| People on this clock | 6,211,223 | 7,804,968 |
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 Long Island, NY: common questions
What is the time difference between Rio de Janeiro and Long Island, NY?
Long Island is 1 hour behind: it uses UTC−4, while Rio de Janeiro is on UTC−3.
If it is 9:00 AM in Rio de Janeiro, what time is it in Long Island, NY?
At 9:00 AM in Rio de Janeiro, clocks in Long Island show 8:00 AM.
What time is it in Long Island, NY, when it is 6:00 PM in Rio de Janeiro?
When it is 6:00 PM in Rio de Janeiro, it is 5:00 PM in Long Island.
When is a good time to call Long Island, NY, from Rio de Janeiro?
Between 10:00 AM and 6:00 PM in Rio de Janeiro – that is 9:00 AM to 5:00 PM in Long Island – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Rio de Janeiro is it still yesterday in Long Island, NY?
Before 1:00 AM in Rio de Janeiro, the date in Long Island has not changed yet. From 11:00 PM in Long Island, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Long Island, NY, change?
Yes. The clocks change only in Long Island. From November 1, 2026, Long Island will be 2 hours behind Rio de Janeiro.
