Yellowknife to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Yellowknife. 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.
Yellowknife 01:40 1:40 AM Rio de Janeiro 04:40 4:40 AM You –:–
01:40 1:40 AM
Mountain Daylight Time · UTC-6
☀️ 08:10 · 🌙 18:40
04:40 4:40 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+3 h
Rio de Janeiro is 3 h ahead of Yellowknife.
When you, Yellowknife 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
🇨🇦 Yellowknife
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
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Yellowknife | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 01:40 | 04:40 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Brasilia Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Yellowknife | — | +3 h |
| IANA zone | America/Edmonton | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 08:10 | 05:26 |
| Sunset | 18:40 | 17:55 |
| Daylight | 10 h 31 min | 12 h 30 min |
| People on this clock | 19,234 | 6,211,223 |
Compare Yellowknife with another city
More comparisons with Yellowknife: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Yellowknife and Rio de Janeiro: common questions
How many hours ahead of Yellowknife is Rio de Janeiro?
The clocks in Rio de Janeiro are 3 hours ahead of those in Yellowknife (UTC−3 and UTC−6).
What time is it in Rio de Janeiro at the start of the working day in Yellowknife?
The working day in Yellowknife 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 Yellowknife?
The working day in Yellowknife 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 Yellowknife?
Between 9:00 AM and 3:00 PM in Yellowknife – 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 Yellowknife 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 Yellowknife.
Is the time difference between Yellowknife and Rio de Janeiro the same all year?
Yes. Neither Yellowknife nor Rio de Janeiro switches to summer time, so the gap is always 3 hours.
