Calgary to Rio de Janeiro: time difference
Rio de Janeiro is 3 h ahead of Calgary. 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.
Calgary 01:32 1:32 AM Rio de Janeiro 04:32 4:32 AM You –:–
01:32 1:32 AM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
04:32 4:32 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
·
+3 h
Rio de Janeiro is 3 h ahead of Calgary.
When you, Calgary 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
🇨🇦 Calgary
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 | 🇨🇦 Calgary | 🇧🇷 Rio de Janeiro |
|---|---|---|
| Local time | 01:32 | 04:32 |
| 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 Calgary | — | +3 h |
| IANA zone | America/Edmonton | America/Sao Paulo |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:50 | 05:26 |
| Sunset | 18:58 | 17:55 |
| Daylight | 11 h 8 min | 12 h 30 min |
| People on this clock | 1,267,344 | 6,211,223 |
Compare Calgary with another city
More comparisons with Calgary: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Calgary and Rio de Janeiro: common questions
What is the time difference between Calgary and Rio de Janeiro?
Rio de Janeiro is 3 hours ahead: it uses UTC−3, while Calgary is on UTC−6.
What time is it in Rio de Janeiro at the start of the working day in Calgary?
The working day in Calgary starts at 9:00 AM; in Rio de Janeiro it is 12:00 PM at that moment.
If it is 6:00 PM in Calgary, what time is it in Rio de Janeiro?
At 6:00 PM in Calgary, clocks in Rio de Janeiro show 9:00 PM.
Is there a time when both Calgary and Rio de Janeiro are at work?
Yes: from 9:00 AM to 3:00 PM in Calgary (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 Calgary 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 Calgary.
Does the time gap between Calgary and Rio de Janeiro change during the year?
No, the clocks change neither in Calgary nor in Rio de Janeiro, so the gap is 3 hours all year round.
