Boa Vista to Calgary: time difference
Calgary is 2 h behind Boa Vista. 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.
Boa Vista 09:57 9:57 AM Calgary 07:57 7:57 AM You –:–
09:57 9:57 AM
Amazon Standard Time · UTC-4
☀️ 05:47 · 🌙 17:50
07:57 7:57 AM
Mountain Daylight Time · UTC-6
☀️ 08:07 · 🌙 18:37
·
−2 h
Calgary is 2 h behind Boa Vista.
When you, Boa Vista 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
🇧🇷 Boa Vista
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
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 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇷 Boa Vista | 🇨🇦 Calgary |
|---|---|---|
| Local time | 09:57 | 07:57 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Amazon Standard Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Boa Vista | — | −2 h |
| IANA zone | America/Boa Vista | America/Edmonton |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:47 | 08:07 |
| Sunset | 17:50 | 18:37 |
| Daylight | 12 h 3 min | 10 h 30 min |
| People on this clock | 413,486 | 1,267,344 |
Compare Boa Vista with another city
More comparisons with Boa Vista: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Boa Vista and Calgary: common questions
How far behind Boa Vista is Calgary?
Calgary is 2 hours behind Boa Vista: UTC−6 against UTC−4.
What time is it in Calgary when it is 9:00 AM in Boa Vista?
When it is 9:00 AM in Boa Vista, it is 7:00 AM in Calgary.
If it is 6:00 PM in Boa Vista, what time is it in Calgary?
At 6:00 PM in Boa Vista, clocks in Calgary show 4:00 PM.
When do working hours in Boa Vista and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Boa Vista, which is 9:00 AM to 4:00 PM in Calgary.
When does the date change in Calgary compared with Boa Vista?
The new day starts in Calgary later: until 2:00 AM in Boa Vista, it is still the previous day there. From 10:00 PM in Calgary, Boa Vista is already on the next day.
Does the time difference between Boa Vista and Calgary change?
No. Neither place uses daylight saving time, so the difference stays 2 hours all year.
