Montserrat to Rio de Janeiro: time difference
Rio de Janeiro is 1 h ahead of Montserrat. 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.
Montserrat 06:42 6:42 AM Rio de Janeiro 07:42 7:42 AM You –:–
06:42 6:42 AM
Atlantic Standard Time · UTC-4
☀️ 06:01 · 🌙 17:52
07:42 7:42 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+1 h
Rio de Janeiro is 1 h ahead of Montserrat.
When you, Montserrat 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
🇲🇸 Montserrat
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 | 🇲🇸 Montserrat | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 06:42 | 07:42 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Brasilia Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Montserrat | — | +1 h |
| IANA zone | America/Montserrat | America/Sao Paulo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:01 | 05:26 |
| Sunset | 17:52 | 17:55 |
| Daylight | 11 h 51 min | 12 h 30 min |
| People on this clock | 5,440 | 6,211,223 |
Compare Montserrat with another city
More comparisons with Montserrat: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montserrat and Rio de Janeiro: common questions
How far ahead of Montserrat is Rio de Janeiro?
Rio de Janeiro is 1 hour ahead of Montserrat: UTC−3 against UTC−4.
What time is it in Rio de Janeiro when it is 9:00 AM in Montserrat?
When it is 9:00 AM in Montserrat, 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 Montserrat?
The working day in Montserrat ends at 6:00 PM; in Rio de Janeiro it is 7:00 PM at that moment.
When is a good time to call Rio de Janeiro from Montserrat?
Between 9:00 AM and 5:00 PM in Montserrat – 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 Montserrat?
The new day starts in Rio de Janeiro earlier: at 11:00 PM in Montserrat it is already midnight there. Until 1:00 AM in Rio de Janeiro, Montserrat is still on the previous day.
Does the time difference between Montserrat and Rio de Janeiro change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
