Calgary to Grimsby: time difference
Grimsby 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 14:31 2:31 PM Grimsby 16:31 4:31 PM You –:–
14:31 2:31 PM
Mountain Daylight Time · UTC-6
☀️ 07:59 · 🌙 18:47
16:31 4:31 PM
Eastern Daylight Time · UTC-4
☀️ 07:31 · 🌙 18:39
·
+2 h
Grimsby is 2 h ahead of Calgary.
When you, Calgary and Grimsby 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
🇨🇦 Grimsby
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 | 🇨🇦 Grimsby |
|---|---|---|
| Local time | 14:31 | 16:31 |
| 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/Toronto |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:59 | 07:31 |
| Sunset | 18:47 | 18:39 |
| Daylight | 10 h 49 min | 11 h 7 min |
| People on this clock | 1,267,344 | 28,883 |
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 Grimsby: common questions
What is the time difference between Calgary and Grimsby?
Grimsby is 2 hours ahead: it uses UTC−4, while Calgary is on UTC−6.
What time is it in Grimsby at the start of the working day in Calgary?
The working day in Calgary starts at 9:00 AM; in Grimsby it is 11:00 AM at that moment.
What time is it in Grimsby when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 8:00 PM in Grimsby.
When do working hours in Calgary and in Grimsby overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Calgary, which is 11:00 AM to 6:00 PM in Grimsby.
When does the date change in Grimsby compared with Calgary?
The new day starts in Grimsby earlier: at 10:00 PM in Calgary it is already midnight there. Until 2:00 AM in Grimsby, Calgary is still on the previous day.
Is the time difference between Calgary and Grimsby the same all year?
No. Only Grimsby switches to summer time, so the gap changes twice a year. From November 1, 2026, Grimsby will be 1 hour ahead of Calgary.
