Massapequa, NY to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Massapequa, NY. 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.
Massapequa, NY 15:45 3:45 PM Rio de Janeiro 16:45 4:45 PM You –:–
15:45 3:45 PM
Eastern Daylight Time · UTC-4
☀️ 07:11 · 🌙 18:08
16:45 4:45 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
·
+1 h
Rio de Janeiro is 1 h ahead of Massapequa, NY.
When you, Massapequa, 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
🇺🇸 Massapequa, 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 | 🇺🇸 Massapequa, NY | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 15:45 | 16:45 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Massapequa, 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 | 07:11 | 05:17 |
| Sunset | 18:08 | 18:00 |
| Daylight | 10 h 57 min | 12 h 43 min |
| People on this clock | 21,355 | 6,211,223 |
Compare Massapequa, NY with another city
More comparisons with Massapequa, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Massapequa, NY and Rio de Janeiro: common questions
What is the time difference between Massapequa, NY, and Rio de Janeiro?
Rio de Janeiro is 1 hour ahead: it uses UTC−3, while Massapequa is on UTC−4.
What time is it in Rio de Janeiro at the start of the working day in Massapequa, NY?
The working day in Massapequa starts at 9:00 AM; in Rio de Janeiro it is 10:00 AM at that moment.
What time is it in Rio de Janeiro when it is 6:00 PM in Massapequa, NY?
When it is 6:00 PM in Massapequa, it is 7:00 PM in Rio de Janeiro.
When is a good time to call Rio de Janeiro from Massapequa, NY?
Between 9:00 AM and 5:00 PM in Massapequa – 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 Massapequa, NY?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Massapequa it is already midnight there. Until 1:00 AM in Rio de Janeiro, Massapequa is still on the previous day.
Does the time difference between Massapequa, NY, and Rio de Janeiro change?
Yes. The clocks change only in Massapequa. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Massapequa.
