St. George, UT to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of St. George, UT. 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.
St. George, UT 15:05 3:05 PM Rio de Janeiro 18:05 6:05 PM You –:–
15:05 3:05 PM
Mountain Daylight Time · UTC-6
☀️ 07:47 · 🌙 18:52
18:05 6:05 PM
Brasilia Standard Time · UTC-3
☀️ 05:17 · 🌙 18:00
·
+3 h
Rio de Janeiro is 3 h ahead of St. George, UT.
When you, St. George, UT 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
🇺🇸 St. George, UT
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
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Time zones side by side
| Detail | 🇺🇸 St. George, UT | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 15:05 | 18:05 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Mountain Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from St. George, UT | — | +3 h |
| IANA zone | America/Denver | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:47 | 05:17 |
| Sunset | 18:52 | 18:00 |
| Daylight | 11 h 5 min | 12 h 43 min |
| People on this clock | 95,342 | 6,211,223 |
Compare St. George, UT with another city
More comparisons with St. George, UT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
St. George, UT and Rio de Janeiro: common questions
How many hours ahead of St. George, UT, is Rio de Janeiro?
The clocks in Rio de Janeiro are 3 hours ahead of those in St. George (UTC−3 and UTC−6).
What time is it in Rio de Janeiro at the start of the working day in St. George, UT?
The working day in St. George starts at 9:00 AM; in Rio de Janeiro it is 12:00 PM at that moment.
What time is it in Rio de Janeiro at the end of the working day in St. George, UT?
The working day in St. George ends at 6:00 PM; in Rio de Janeiro it is 9:00 PM at that moment.
Is there a time when both St. George, UT, and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in St. George (12:00 PM to 6:00 PM in Rio de Janeiro), the working days (9:00 AM–6:00 PM) overlap.
From what time in St. George, UT, is it tomorrow in Rio de Janeiro?
Once it is 9:00 PM in St. George, the date in Rio de Janeiro has already changed. Until 3:00 AM in Rio de Janeiro, it is still the previous day in St. George.
Is the time difference between St. George, UT, and Rio de Janeiro the same all year?
No. Only St. George switches to summer time, so the gap changes twice a year. From November 1, 2026, Rio de Janeiro will be 4 hours ahead of St. George.
