Gillette, WY to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Gillette, 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.
Gillette, WY 11:40 11:40 AM Rio de Janeiro 14:40 2:40 PM You –:–
11:40 11:40 AM
Mountain Daylight Time · UTC-6
☀️ 07:23 · 🌙 18:13
14:40 2:40 PM
Brasilia Standard Time · UTC-3
☀️ 05:18 · 🌙 17:59
·
+3 h
Rio de Janeiro is 3 h ahead of Gillette, WY.
When you, Gillette, 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
🇺🇸 Gillette, 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
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Time zones side by side
| Detail | 🇺🇸 Gillette, WY | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 11:40 | 14:40 |
| 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 Gillette, WY | — | +3 h |
| IANA zone | America/Denver | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:23 | 05:18 |
| Sunset | 18:13 | 17:59 |
| Daylight | 10 h 50 min | 12 h 41 min |
| People on this clock | 31,978 | 6,211,223 |
Compare Gillette, WY with another city
More comparisons with Gillette, WY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Gillette, WY and Rio de Janeiro: common questions
How many hours ahead of Gillette, WY, is Rio de Janeiro?
The clocks in Rio de Janeiro are 3 hours ahead of those in Gillette (UTC−3 and UTC−6).
What time is it in Rio de Janeiro at the start of the working day in Gillette, WY?
The working day in Gillette 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 Gillette, WY?
The working day in Gillette ends at 6:00 PM; in Rio de Janeiro it is 9:00 PM at that moment.
When is a good time to call Rio de Janeiro from Gillette, WY?
Between 9:00 AM and 3:00 PM in Gillette – that is 12:00 PM to 6:00 PM in Rio de Janeiro – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Rio de Janeiro?
From 9:00 PM in Gillette, 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 Gillette.
Does the time gap between Gillette, WY, and Rio de Janeiro change during the year?
Yes – daylight saving time is used in Gillette but not in Rio de Janeiro. From November 1, 2026, Rio de Janeiro will be 4 hours ahead of Gillette.
