Calgary to Alert: time difference
Alert 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 16:22 4:22 PM Alert 18:22 6:22 PM You –:–
16:22 4:22 PM
Mountain Daylight Time · UTC-6
☀️ 07:59 · 🌙 18:47
18:22 6:22 PM
Eastern Daylight Time · UTC-4
☀️ 11:05 · 🌙 12:48
·
+2 h
Alert is 2 h ahead of Calgary.
When you, Calgary and Alert 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
🇨🇦 Alert
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 | 🇨🇦 Alert |
|---|---|---|
| Local time | 16:22 | 18:22 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 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/Iqaluit |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:59 | 11:05 |
| Sunset | 18:47 | 12:48 |
| Daylight | 10 h 49 min | 1 h 43 min |
| People on this clock | 1,267,344 | 60 |
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 Alert: common questions
What is the time difference between Calgary and Alert?
Alert is 2 hours ahead: it uses UTC−4, while Calgary is on UTC−6.
If it is 9:00 AM in Calgary, what time is it in Alert?
At 9:00 AM in Calgary, clocks in Alert show 11:00 AM.
What time is it in Alert when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 8:00 PM in Alert.
Is there a time when both Calgary and Alert are at work?
Yes: from 9:00 AM to 4:00 PM in Calgary (11:00 AM to 6:00 PM in Alert), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Alert compared with Calgary?
The new day starts in Alert earlier: at 10:00 PM in Calgary it is already midnight there. Until 2:00 AM in Alert, Calgary is still on the previous day.
Is the time difference between Calgary and Alert the same all year?
No. Only Alert switches to summer time, so the gap changes twice a year. From November 1, 2026, Alert will be 1 hour ahead of Calgary.
