Idaho Falls, ID to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Idaho Falls, ID. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇧🇷 Rio de Janeiro, Brazil
34
- Brasilia Standard Time
- UTC-3
- Golden hour
☀️ 05:18 · 🌙 17:59 · 12 h 41 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Idaho Falls, ID 14:29 2:29 PM Rio de Janeiro 17:29 5:29 PM You –:–
14:29 2:29 PM
Mountain Daylight Time · UTC-6
☀️ 07:48 · 🌙 18:40
17:29 5:29 PM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+3 h
Rio de Janeiro is 3 h ahead of Idaho Falls, ID.
When you, Idaho Falls, ID 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
🇺🇸 Idaho Falls, ID
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
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇺🇸 Idaho Falls, ID | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 14:29 | 17:29 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Mountain Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Idaho Falls, ID | — | +3 h |
| IANA zone | America/Boise | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:48 | 05:18 |
| Sunset | 18:40 | 17:59 |
| Daylight | 10 h 52 min | 12 h 41 min |
| People on this clock | 61,459 | 6,211,223 |
Compare Idaho Falls, ID with another city
More comparisons with Idaho Falls, ID: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Idaho Falls, ID and Rio de Janeiro: common questions
What is the time difference between Idaho Falls, ID, and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while Idaho Falls is on UTC−6.
If it is 9:00 AM in Idaho Falls, ID, what time is it in Rio de Janeiro?
At 9:00 AM in Idaho Falls, clocks in Rio de Janeiro show 12:00 PM.
What time is it in Rio de Janeiro when it is 6:00 PM in Idaho Falls, ID?
When it is 6:00 PM in Idaho Falls, it is 9:00 PM in Rio de Janeiro.
When do working hours in Idaho Falls, ID, and in Rio de Janeiro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Idaho Falls, which is 12:00 PM to 6:00 PM in Rio de Janeiro.
From what time in Idaho Falls, ID, is it tomorrow in Rio de Janeiro?
Once it is 9:00 PM in Idaho Falls, the date in Rio de Janeiro has already changed. Until 3:00 AM in Rio de Janeiro, it is still the previous day in Idaho Falls.
Is the time difference between Idaho Falls, ID, and Rio de Janeiro the same all year?
No. Only Idaho Falls switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 4 hours ahead of Idaho Falls.
