Rochester, NY to Calgary: time difference
Calgary is 2 h behind Rochester, NY. 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.
Rochester, NY 04:17 4:17 AM Calgary 02:17 2:17 AM You –:–
04:17 4:17 AM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 18:38
02:17 2:17 AM
Mountain Daylight Time · UTC-6
☀️ 07:52 · 🌙 18:56
·
−2 h
Calgary is 2 h behind Rochester, NY.
When you, Rochester, NY 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
🇺🇸 Rochester, NY
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
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Time zones side by side
| Detail | 🇺🇸 Rochester, NY | 🇨🇦 Calgary |
|---|---|---|
| Local time | 04:17 | 02:17 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Rochester, NY | — | −2 h |
| IANA zone | America/New York | America/Edmonton |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:19 | 07:52 |
| Sunset | 18:38 | 18:56 |
| Daylight | 11 h 19 min | 11 h 4 min |
| People on this clock | 211,328 | 1,267,344 |
Compare Rochester, NY with another city
More comparisons with Rochester, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rochester, NY and Calgary: common questions
How far behind Rochester, NY, is Calgary?
Calgary is 2 hours behind Rochester: UTC−6 against UTC−4.
If it is 9:00 AM in Rochester, NY, what time is it in Calgary?
At 9:00 AM in Rochester, clocks in Calgary show 7:00 AM.
What time is it in Calgary at the end of the working day in Rochester, NY?
The working day in Rochester ends at 6:00 PM; in Calgary it is 4:00 PM at that moment.
When do working hours in Rochester, NY, and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Rochester, which is 9:00 AM to 4:00 PM in Calgary.
Until what time in Rochester, NY, is it still yesterday in Calgary?
Before 2:00 AM in Rochester, the date in Calgary has not changed yet. From 10:00 PM in Calgary, it is already the next day in Rochester.
Does the time gap between Rochester, NY, and Calgary change during the year?
Yes – daylight saving time is used in Rochester but not in Calgary. From November 1, 2026, Calgary will be 1 hour behind Rochester.
