Waterloo to Calgary: time difference
Calgary is 2 h behind Waterloo. 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.
Waterloo 01:24 1:24 AM Calgary 23:24 11:24 PM You –:–
01:24 1:24 AM
Eastern Daylight Time · UTC-4
☀️ 07:31 · 🌙 18:49
23:24 11:24 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
·
−2 h
Calgary is 2 h behind Waterloo.
When you, Waterloo 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
🇨🇦 Waterloo
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 | 🇨🇦 Waterloo | 🇨🇦 Calgary |
|---|---|---|
| Local time | 01:24 | 23:24 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Waterloo | — | −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 | 07:31 | 07:50 |
| Sunset | 18:49 | 18:58 |
| Daylight | 11 h 18 min | 11 h 8 min |
| People on this clock | 121,436 | 1,267,344 |
Compare Waterloo with another city
More comparisons with Waterloo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Waterloo and Calgary: common questions
How far behind Waterloo is Calgary?
Calgary is 2 hours behind Waterloo: UTC−6 against UTC−4.
If it is 9:00 AM in Waterloo, what time is it in Calgary?
At 9:00 AM in Waterloo, clocks in Calgary show 7:00 AM.
What time is it in Calgary at the end of the working day in Waterloo?
The working day in Waterloo ends at 6:00 PM; in Calgary it is 4:00 PM at that moment.
When is a good time to call Calgary from Waterloo?
Between 11:00 AM and 6:00 PM in Waterloo – that is 9:00 AM to 4:00 PM in Calgary – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Waterloo is it still yesterday in Calgary?
Before 2:00 AM in Waterloo, the date in Calgary has not changed yet. From 10:00 PM in Calgary, it is already the next day in Waterloo.
Does the time gap between Waterloo and Calgary change during the year?
Yes – daylight saving time is used in Waterloo but not in Calgary. From November 1, 2026, Calgary will be 1 hour behind Waterloo.
