Port Huron, MI to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Port Huron, MI. 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.
Port Huron, MI 18:19 6:19 PM Rio de Janeiro 19:19 7:19 PM You –:–
18:19 6:19 PM
Eastern Daylight Time · UTC-4
☀️ 07:50 · 🌙 18:41
19:19 7:19 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
·
+1 h
Rio de Janeiro is 1 h ahead of Port Huron, MI.
When you, Port Huron, MI 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
🇺🇸 Port Huron, MI
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 | 🇺🇸 Port Huron, MI | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 18:19 | 19:19 |
| 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 Port Huron, MI | — | +1 h |
| IANA zone | America/Detroit | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:50 | 05:17 |
| Sunset | 18:41 | 18:00 |
| Daylight | 10 h 51 min | 12 h 43 min |
| People on this clock | 28,983 | 6,211,223 |
Compare Port Huron, MI with another city
More comparisons with Port Huron, MI: the time zones next to it and the far side of the clock.
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Port Huron, MI and Rio de Janeiro: common questions
How many hours ahead of Port Huron, MI, is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Port Huron (UTC−3 and UTC−4).
What time is it in Rio de Janeiro at the start of the working day in Port Huron, MI?
The working day in Port Huron 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 at the end of the working day in Port Huron, MI?
The working day in Port Huron ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Port Huron, MI, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Port Huron (10:00 AM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in Port Huron, MI, is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Port Huron, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Port Huron.
Is the time difference between Port Huron, MI, and Rio de Janeiro the same all year?
No. Only Port Huron switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Port Huron.
