Alliston to Calgary: time difference
Calgary is 2 h behind Alliston. 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.
Alliston 17:41 5:41 PM Calgary 15:41 3:41 PM You –:–
17:41 5:41 PM
Eastern Daylight Time · UTC-4
☀️ 07:33 · 🌙 18:39
15:41 3:41 PM
Mountain Daylight Time · UTC-6
☀️ 07:59 · 🌙 18:47
·
−2 h
Calgary is 2 h behind Alliston.
When you, Alliston 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
🇨🇦 Alliston
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 | 🇨🇦 Alliston | 🇨🇦 Calgary |
|---|---|---|
| Local time | 17:41 | 15:41 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Alliston | — | −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 | 07:33 | 07:59 |
| Sunset | 18:39 | 18:47 |
| Daylight | 11 h 5 min | 10 h 49 min |
| People on this clock | — | 1,267,344 |
Compare Alliston with another city
More comparisons with Alliston: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Alliston and Calgary: common questions
What is the time difference between Alliston and Calgary?
Calgary is 2 hours behind: it uses UTC−6, while Alliston is on UTC−4.
If it is 9:00 AM in Alliston, what time is it in Calgary?
At 9:00 AM in Alliston, clocks in Calgary show 7:00 AM.
If it is 6:00 PM in Alliston, what time is it in Calgary?
At 6:00 PM in Alliston, clocks in Calgary show 4:00 PM.
When do working hours in Alliston and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Alliston, which is 9:00 AM to 4:00 PM in Calgary.
When is it still the previous day in Calgary?
Until 2:00 AM in Alliston 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 Alliston.
Does the time difference between Alliston and Calgary change?
Yes. The clocks change only in Alliston. From November 1, 2026, Calgary will be 1 hour behind Alliston.
