Niagara Falls to Calgary: time difference
Calgary is 2 h behind Niagara Falls. 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.
Niagara Falls 03:42 3:42 AM Calgary 01:42 1:42 AM You –:–
03:42 3:42 AM
Eastern Daylight Time · UTC-4
☀️ 07:35 · 🌙 18:29
01:42 1:42 AM
Mountain Daylight Time · UTC-6
☀️ 08:07 · 🌙 18:37
·
−2 h
Calgary is 2 h behind Niagara Falls.
When you, Niagara Falls 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
🇨🇦 Niagara Falls
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 | 🇨🇦 Niagara Falls | 🇨🇦 Calgary |
|---|---|---|
| Local time | 03:42 | 01:42 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Niagara Falls | — | −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 | 07:35 | 08:07 |
| Sunset | 18:29 | 18:37 |
| Daylight | 10 h 53 min | 10 h 30 min |
| People on this clock | 93,000 | 1,267,344 |
Compare Niagara Falls with another city
More comparisons with Niagara Falls: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Niagara Falls and Calgary: common questions
What is the time difference between Niagara Falls and Calgary?
Calgary is 2 hours behind: it uses UTC−6, while Niagara Falls is on UTC−4.
If it is 9:00 AM in Niagara Falls, what time is it in Calgary?
At 9:00 AM in Niagara Falls, clocks in Calgary show 7:00 AM.
What time is it in Calgary at the end of the working day in Niagara Falls?
The working day in Niagara Falls ends at 6:00 PM; in Calgary it is 4:00 PM at that moment.
When do working hours in Niagara Falls and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Niagara Falls, which is 9:00 AM to 4:00 PM in Calgary.
When does the date change in Calgary compared with Niagara Falls?
The new day starts in Calgary later: until 2:00 AM in Niagara Falls, it is still the previous day there. From 10:00 PM in Calgary, Niagara Falls is already on the next day.
Does the time difference between Niagara Falls and Calgary change?
Yes. The clocks change only in Niagara Falls. From November 1, 2026, Calgary will be 1 hour behind Niagara Falls.
