Natick, MA to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Natick, MA. 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.
Natick, MA 06:29 6:29 AM Rio de Janeiro 07:29 7:29 AM You –:–
06:29 6:29 AM
Eastern Daylight Time · UTC-4
☀️ 07:02 · 🌙 18:00
07:29 7:29 AM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 17:59
·
+1 h
Rio de Janeiro is 1 h ahead of Natick, MA.
When you, Natick, MA 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
🇺🇸 Natick, MA
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 | 🇺🇸 Natick, MA | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 06:29 | 07:29 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Natick, MA | — | +1 h |
| IANA zone | America/New York | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:02 | 05:19 |
| Sunset | 18:00 | 17:59 |
| Daylight | 10 h 58 min | 12 h 40 min |
| People on this clock | 32,786 | 6,211,223 |
Compare Natick, MA with another city
More comparisons with Natick, MA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Natick, MA and Rio de Janeiro: common questions
How many hours ahead of Natick, MA, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Natick (UTC−3 and UTC−4).
What time is it in Rio de Janeiro when it is 9:00 AM in Natick, MA?
When it is 9:00 AM in Natick, it is 10:00 AM in Rio de Janeiro.
What time is it in Rio de Janeiro at the end of the working day in Natick, MA?
The working day in Natick ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Natick, MA, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Natick (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Rio de Janeiro?
From 11:00 PM in Natick, MA, it is already the next day in Rio de Janeiro. The other way round, until 1:00 AM in Rio de Janeiro it is still the previous day in Natick.
Does the time difference between Natick, MA, and Rio de Janeiro change?
Yes. The clocks change only in Natick. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Natick.
