Rio de Janeiro to Calgary: time difference
Calgary is 3 h behind Rio de Janeiro. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rio de Janeiro 00:43 12:43 AM Calgary 21:43 9:43 PM You –:–
00:43 12:43 AM
Brasilia Standard Time · UTC-3
☀️ 05:26 · 🌙 17:55
21:43 9:43 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
·
−3 h
Calgary is 3 h behind Rio de Janeiro.
When you, Rio de Janeiro and Calgary are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇧🇷 Rio de Janeiro
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
🇨🇦 Calgary
21 9 PM 22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio de Janeiro | 🇨🇦 Calgary |
|---|---|---|
| Local time | 00:43 | 21:43 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Brasilia Standard Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Rio de Janeiro | — | −3 h |
| IANA zone | America/Sao Paulo | America/Edmonton |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:26 | 07:50 |
| Sunset | 17:55 | 18:58 |
| Daylight | 12 h 30 min | 11 h 8 min |
| People on this clock | 6,211,223 | 1,267,344 |
Compare Rio de Janeiro with another city
More comparisons with Rio de Janeiro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio de Janeiro and Calgary: common questions
How far behind Rio de Janeiro is Calgary?
Calgary is 3 hours behind Rio de Janeiro: UTC−6 against UTC−3.
What time is it in Calgary when it is 9:00 AM in Rio de Janeiro?
When it is 9:00 AM in Rio de Janeiro, it is 6:00 AM in Calgary.
If it is 6:00 PM in Rio de Janeiro, what time is it in Calgary?
At 6:00 PM in Rio de Janeiro, clocks in Calgary show 3:00 PM.
Is there a time when both Rio de Janeiro and Calgary are at work?
Yes: from 12:00 PM to 6:00 PM in Rio de Janeiro (9:00 AM to 3:00 PM in Calgary), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Calgary?
Until 3:00 AM in Rio de Janeiro it is still the previous day in Calgary. The other way round, from 9:00 PM in Calgary it is already the next day in Rio de Janeiro.
Does the time gap between Rio de Janeiro and Calgary change during the year?
No, the clocks change neither in Rio de Janeiro nor in Calgary, so the gap is 3 hours all year round.
