Cornwall, ON to Calgary: time difference
Calgary is 2 h behind Cornwall, ON. 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.
Cornwall, ON 12:00 12:00 PM Calgary 10:00 10:00 AM You –:–
12:00 12:00 PM
Eastern Daylight Time · UTC-4
☀️ 07:20 · 🌙 18:09
10:00 10:00 AM
Mountain Daylight Time · UTC-6
☀️ 08:07 · 🌙 18:37
·
−2 h
Calgary is 2 h behind Cornwall, ON.
When you, Cornwall, ON 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
🇨🇦 Cornwall, ON
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
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Time zones side by side
| Detail | 🇨🇦 Cornwall, ON | 🇨🇦 Calgary |
|---|---|---|
| Local time | 12:00 | 10:00 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Cornwall, ON | — | −2 h |
| IANA zone | America/Toronto | America/Edmonton |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:20 | 08:07 |
| Sunset | 18:09 | 18:37 |
| Daylight | 10 h 48 min | 10 h 30 min |
| People on this clock | 46,867 | 1,267,344 |
Compare Cornwall, ON with another city
More comparisons with Cornwall, ON: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Cornwall, ON and Calgary: common questions
How many hours behind Cornwall, ON, is Calgary?
The clocks in Calgary are 2 hours behind those in Cornwall (UTC−6 and UTC−4).
What time is it in Calgary at the start of the working day in Cornwall, ON?
The working day in Cornwall starts at 9:00 AM; in Calgary it is 7:00 AM at that moment.
What time is it in Calgary at the end of the working day in Cornwall, ON?
The working day in Cornwall ends at 6:00 PM; in Calgary it is 4:00 PM at that moment.
Is there a time when both Cornwall, ON, and Calgary are at work?
Yes: from 11:00 AM to 6:00 PM in Cornwall (9:00 AM to 4:00 PM in Calgary), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Calgary?
Until 2:00 AM in Cornwall, ON, it is still the previous day in Calgary. The other way round, from 10:00 PM in Calgary it is already the next day in Cornwall.
Is the time difference between Cornwall, ON, and Calgary the same all year?
No. Only Cornwall switches to summer time, so the gap changes twice a year. From November 1, 2026, Calgary will be 1 hour behind Cornwall.
