Rio de Janeiro to Port Huron, MI: time difference
Port Huron, MI 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 19:57 7:57 PM Port Huron, MI 18:57 6:57 PM You –:–
19:57 7:57 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
18:57 6:57 PM
Eastern Daylight Time · UTC-4
☀️ 07:50 · 🌙 18:41
·
−1 h
Port Huron, MI is 1 h behind Rio de Janeiro.
When you, Rio de Janeiro and Port Huron, MI 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
🇺🇸 Port Huron, MI
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 | 🇺🇸 Port Huron, MI |
|---|---|---|
| Local time | 19:57 | 18:57 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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/Detroit |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 05:17 | 07:50 |
| Sunset | 18:00 | 18:41 |
| Daylight | 12 h 43 min | 10 h 51 min |
| People on this clock | 6,211,223 | 28,983 |
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 Port Huron, MI: common questions
How far behind Rio de Janeiro is Port Huron, MI?
Port Huron is 1 hour behind Rio de Janeiro: UTC−4 against UTC−3.
What time is it in Port Huron, MI, when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 8:00 AM in Port Huron.
What time is it in Port Huron, MI, 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 Port Huron.
Is there a time when both Rio de Janeiro and Port Huron, MI, are at work?
Yes: from 10:00 AM to 6:00 PM in Rio de Janeiro (9:00 AM to 5:00 PM in Port Huron), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Rio de Janeiro is it still yesterday in Port Huron, MI?
Before 1:00 AM in Rio de Janeiro, the date in Port Huron has not changed yet. From 11:00 PM in Port Huron, it is already the next day in Rio de Janeiro.
Does the time difference between Rio de Janeiro and Port Huron, MI, change?
Yes. The clocks change only in Port Huron. From November 1, 2026, Port Huron will be 2 hours behind Rio de Janeiro.
