Calgary to Buffalo, NY: time difference
Buffalo, NY 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 02:22 2:22 AM Buffalo, NY 04:22 4:22 AM You –:–
02:22 2:22 AM
Mountain Daylight Time · UTC-6
☀️ 07:52 · 🌙 18:56
04:22 4:22 AM
Eastern Daylight Time · UTC-4
☀️ 07:24 · 🌙 18:43
·
+2 h
Buffalo, NY is 2 h ahead of Calgary.
When you, Calgary and Buffalo, NY 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
🇺🇸 Buffalo, NY
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 | 🇺🇸 Buffalo, NY |
|---|---|---|
| Local time | 02:22 | 04:22 |
| 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/New York |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:52 | 07:24 |
| Sunset | 18:56 | 18:43 |
| Daylight | 11 h 4 min | 11 h 19 min |
| People on this clock | 1,267,344 | 258,071 |
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 Buffalo, NY: common questions
What is the time difference between Calgary and Buffalo, NY?
Buffalo is 2 hours ahead: it uses UTC−4, while Calgary is on UTC−6.
What time is it in Buffalo, NY, at the start of the working day in Calgary?
The working day in Calgary starts at 9:00 AM; in Buffalo it is 11:00 AM at that moment.
What time is it in Buffalo, NY, when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 8:00 PM in Buffalo.
When is a good time to call Buffalo, NY, from Calgary?
Between 9:00 AM and 4:00 PM in Calgary – that is 11:00 AM to 6:00 PM in Buffalo – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Buffalo, NY, compared with Calgary?
The new day starts in Buffalo earlier: at 10:00 PM in Calgary it is already midnight there. Until 2:00 AM in Buffalo, Calgary is still on the previous day.
Does the time difference between Calgary and Buffalo, NY, change?
Yes. The clocks change only in Buffalo. From November 1, 2026, Buffalo will be 1 hour ahead of Calgary.
