Grimsby to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Grimsby. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇷 Rio de Janeiro, Brazil
35
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:22 · 🌙 17:57 · 12 h 35 min
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Grimsby 16:32 4:32 PM Rio de Janeiro 17:32 5:32 PM You –:–
16:32 4:32 PM
Eastern Daylight Time · UTC-4
☀️ 07:31 · 🌙 18:39
17:32 5:32 PM
Brasilia Standard Time · UTC-3
☀️ 05:22 · 🌙 17:57
·
+1 h
Rio de Janeiro is 1 h ahead of Grimsby.
When you, Grimsby 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
🇨🇦 Grimsby
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 | 🇨🇦 Grimsby | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 16:32 | 17:32 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Eastern Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Grimsby | — | +1 h |
| IANA zone | America/Toronto | America/Sao Paulo |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:31 | 05:22 |
| Sunset | 18:39 | 17:57 |
| Daylight | 11 h 7 min | 12 h 35 min |
| People on this clock | 28,883 | 6,211,223 |
Compare Grimsby with another city
More comparisons with Grimsby: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Grimsby and Rio de Janeiro: common questions
How many hours ahead of Grimsby is Rio de Janeiro?
The clocks in Rio de Janeiro are 1 hour ahead of those in Grimsby (UTC−3 and UTC−4).
What time is it in Rio de Janeiro at the start of the working day in Grimsby?
The working day in Grimsby 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 Grimsby?
The working day in Grimsby ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
Is there a time when both Grimsby and Rio de Janeiro are at work?
Yes: from 9:00 AM to 5:00 PM in Grimsby (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 Grimsby is it tomorrow in Rio de Janeiro?
Once it is 11:00 PM in Grimsby, the date in Rio de Janeiro has already changed. Until 1:00 AM in Rio de Janeiro, it is still the previous day in Grimsby.
Does the time difference between Grimsby and Rio de Janeiro change?
Yes. The clocks change only in Grimsby. From November 1, 2026, Rio de Janeiro will be 2 hours ahead of Grimsby.
