Rio Branco to Calgary: time difference
Calgary is 1 h behind Rio Branco. 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 Branco 19:50 7:50 PM Calgary 18:50 6:50 PM You –:–
19:50 7:50 PM
Acre Standard Time · UTC-5
☀️ 05:01 · 🌙 17:31
18:50 6:50 PM
Mountain Daylight Time · UTC-6
☀️ 08:36 · 🌙 18:05
·
−1 h
Calgary is 1 h behind Rio Branco.
When you, Rio Branco 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 Branco
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
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Rio Branco | 🇨🇦 Calgary |
|---|---|---|
| Local time | 19:50 | 18:50 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Acre Standard Time | Mountain Daylight Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Rio Branco | — | −1 h |
| IANA zone | America/Rio Branco | America/Edmonton |
| Daylight saving | Not observed | On summer time |
| Sunrise | 05:01 | 08:36 |
| Sunset | 17:31 | 18:05 |
| Daylight | 12 h 30 min | 9 h 29 min |
| People on this clock | 364,756 | 1,267,344 |
Compare Rio Branco with another city
More comparisons with Rio Branco: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio Branco and Calgary: common questions
How far behind Rio Branco is Calgary?
Calgary is 1 hour behind Rio Branco: UTC−6 against UTC−5.
What time is it in Calgary at the start of the working day in Rio Branco?
The working day in Rio Branco starts at 9:00 AM; in Calgary it is 8:00 AM at that moment.
If it is 6:00 PM in Rio Branco, what time is it in Calgary?
At 6:00 PM in Rio Branco, clocks in Calgary show 5:00 PM.
When do working hours in Rio Branco and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Rio Branco, which is 9:00 AM to 5:00 PM in Calgary.
When is it still the previous day in Calgary?
Until 1:00 AM in Rio Branco it is still the previous day in Calgary. The other way round, from 11:00 PM in Calgary it is already the next day in Rio Branco.
Is the time difference between Rio Branco and Calgary the same all year?
Yes. Neither Rio Branco nor Calgary switches to summer time, so the gap is always 1 hour.
