Calgary to Boa Vista: time difference
Boa Vista is 2 h ahead of Calgary. 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.
Calgary 08:25 8:25 AM Boa Vista 10:25 10:25 AM You –:–
08:25 8:25 AM
Mountain Daylight Time · UTC-6
☀️ 08:07 · 🌙 18:37
10:25 10:25 AM
Amazon Standard Time · UTC-4
☀️ 05:47 · 🌙 17:50
·
+2 h
Boa Vista is 2 h ahead of Calgary.
When you, Calgary and Boa Vista 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
🇧🇷 Boa Vista
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Calgary | 🇧🇷 Boa Vista |
|---|---|---|
| Local time | 08:25 | 10:25 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Mountain Daylight Time | Amazon Standard Time |
| UTC offset | UTC-6 | UTC-4 |
| Offset from Calgary | — | +2 h |
| IANA zone | America/Edmonton | America/Boa Vista |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 08:07 | 05:47 |
| Sunset | 18:37 | 17:50 |
| Daylight | 10 h 30 min | 12 h 3 min |
| People on this clock | 1,267,344 | 413,486 |
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 Boa Vista: common questions
How many hours ahead of Calgary is Boa Vista?
The clocks in Boa Vista are 2 hours ahead of those in Calgary (UTC−4 and UTC−6).
If it is 9:00 AM in Calgary, what time is it in Boa Vista?
At 9:00 AM in Calgary, clocks in Boa Vista show 11:00 AM.
What time is it in Boa Vista when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 8:00 PM in Boa Vista.
Is there a time when both Calgary and Boa Vista are at work?
Yes: from 9:00 AM to 4:00 PM in Calgary (11:00 AM to 6:00 PM in Boa Vista), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Boa Vista compared with Calgary?
The new day starts in Boa Vista earlier: at 10:00 PM in Calgary it is already midnight there. Until 2:00 AM in Boa Vista, Calgary is still on the previous day.
Does the time gap between Calgary and Boa Vista change during the year?
No, the clocks change neither in Calgary nor in Boa Vista, so the gap is 2 hours all year round.
