Calgary to Windsor: time difference
Windsor 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 02:23 2:23 AM Windsor 04:23 4:23 AM You –:–
02:23 2:23 AM
Mountain Daylight Time · UTC-6
☀️ 07:52 · 🌙 18:56
04:23 4:23 AM
Eastern Daylight Time · UTC-4
☀️ 07:40 · 🌙 19:00
·
+2 h
Windsor is 2 h ahead of Calgary.
When you, Calgary and Windsor 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
🇨🇦 Windsor
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 | 🇨🇦 Windsor |
|---|---|---|
| Local time | 02:23 | 04:23 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-6 | UTC-4 |
| Offset from Calgary | — | +2 h |
| IANA zone | America/Edmonton | America/Toronto |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:52 | 07:40 |
| Sunset | 18:56 | 19:00 |
| Daylight | 11 h 4 min | 11 h 20 min |
| People on this clock | 1,267,344 | 217,188 |
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 Windsor: common questions
How many hours ahead of Calgary is Windsor?
The clocks in Windsor 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 Windsor?
At 9:00 AM in Calgary, clocks in Windsor show 11:00 AM.
What time is it in Windsor at the end of the working day in Calgary?
The working day in Calgary ends at 6:00 PM; in Windsor it is 8:00 PM at that moment.
Is there a time when both Calgary and Windsor are at work?
Yes: from 9:00 AM to 4:00 PM in Calgary (11:00 AM to 6:00 PM in Windsor), the working days (9:00 AM–6:00 PM) overlap.
From what time in Calgary is it tomorrow in Windsor?
Once it is 10:00 PM in Calgary, the date in Windsor has already changed. Until 2:00 AM in Windsor, it is still the previous day in Calgary.
Does the time difference between Calgary and Windsor change?
Yes. The clocks change only in Windsor. From November 1, 2026, Windsor will be 1 hour ahead of Calgary.
