Rock Springs, WY to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Rock Springs, WY. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rock Springs, WY 00:00 12:00 AM Rio de Janeiro 03:00 3:00 AM You –:–
00:00 12:00 AM
Mountain Daylight Time · UTC-6
☀️ 07:36 · 🌙 18:28
03:00 3:00 AM
Brasilia Standard Time · UTC-3
☀️ 05:15 · 🌙 18:01
·
+3 h
Rio de Janeiro is 3 h ahead of Rock Springs, WY.
When you, Rock Springs, WY 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
🇺🇸 Rock Springs, WY
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
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Time zones side by side
| Detail | 🇺🇸 Rock Springs, WY | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 00:00 | 03:00 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Mountain Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Rock Springs, WY | — | +3 h |
| IANA zone | America/Denver | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:36 | 05:15 |
| Sunset | 18:28 | 18:01 |
| Daylight | 10 h 52 min | 12 h 45 min |
| People on this clock | 22,105 | 6,211,223 |
Compare Rock Springs, WY with another city
More comparisons with Rock Springs, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rock Springs, WY and Rio de Janeiro: common questions
How far ahead of Rock Springs, WY, is Rio de Janeiro?
Rio de Janeiro is 3 hours ahead of Rock Springs: UTC−3 against UTC−6.
What time is it in Rio de Janeiro when it is 9:00 AM in Rock Springs, WY?
When it is 9:00 AM in Rock Springs, it is 12:00 PM in Rio de Janeiro.
What time is it in Rio de Janeiro at the end of the working day in Rock Springs, WY?
The working day in Rock Springs ends at 6:00 PM; in Rio de Janeiro it is 9:00 PM at that moment.
Is there a time when both Rock Springs, WY, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in Rock Springs (12:00 PM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Rio de Janeiro?
From 9:00 PM in Rock Springs, WY, it is already the next day in Rio de Janeiro. The other way round, until 3:00 AM in Rio de Janeiro it is still the previous day in Rock Springs.
Is the time difference between Rock Springs, WY, and Rio de Janeiro the same all year?
No. Only Rock Springs switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 4 hours ahead of Rock Springs.
