Rio de Janeiro to Mountain Home, ID: time difference
Mountain Home, ID is 3 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 08:51 8:51 AM Mountain Home, ID 05:51 5:51 AM You –:–
08:51 8:51 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
05:51 5:51 AM
Mountain Daylight Time · UTC-6
☀️ 07:51 · 🌙 19:10
·
−3 h
Mountain Home, ID is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Mountain Home, ID 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
🇺🇸 Mountain Home, ID
21 9 PM 22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
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Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇺🇸 Mountain Home, ID |
|---|---|---|
| Local time | 08:51 | 05:51 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brasilia Standard Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Rio de Janeiro | — | −3 h |
| IANA zone | America/Sao Paulo | America/Boise |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:26 | 07:51 |
| Sunset | 17:55 | 19:10 |
| Daylight | 12 h 30 min | 11 h 19 min |
| People on this clock | 6,211,223 | 11,656 |
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 Mountain Home, ID: common questions
How far behind Rio de Janeiro is Mountain Home, ID?
Mountain Home is 3 hours behind Rio de Janeiro: UTC−6 against UTC−3.
What time is it in Mountain Home, ID, when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 6:00 AM in Mountain Home.
If it is 6:00 PM in Rio de Janeiro, what time is it in Mountain Home, ID?
At 6:00 PM in Rio de Janeiro, clocks in Mountain Home show 3:00 PM.
When do working hours in Rio de Janeiro and in Mountain Home, ID, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Rio de Janeiro, which is 9:00 AM to 3:00 PM in Mountain Home.
When does the date change in Mountain Home, ID, compared with Rio de Janeiro?
The new day starts in Mountain Home later: until 3:00 AM in Rio de Janeiro, it is still the previous day there. From 9:00 PM in Mountain Home, Rio de Janeiro is already on the next day.
Is the time difference between Rio de Janeiro and Mountain Home, ID, the same all year?
No. Only Mountain Home switches to summer time, so the gap changes twice a year. From November 1, 2026, Mountain Home will be 4 hours behind Rio de Janeiro.
