Calgary to Rochester, NY: time difference
Rochester, 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 04:16 4:16 AM Rochester, NY 06:16 6:16 AM You –:–
04:16 4:16 AM
Mountain Daylight Time · UTC-6
☀️ 07:52 · 🌙 18:56
06:16 6:16 AM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 18:38
·
+2 h
Rochester, NY is 2 h ahead of Calgary.
When you, Calgary and Rochester, 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
🇺🇸 Rochester, 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 | 🇺🇸 Rochester, NY |
|---|---|---|
| Local time | 04:16 | 06:16 |
| 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 | 07:19 |
| Sunset | 18:56 | 18:38 |
| Daylight | 11 h 4 min | 11 h 19 min |
| People on this clock | 1,267,344 | 211,328 |
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 Rochester, NY: common questions
How many hours ahead of Calgary is Rochester, NY?
The clocks in Rochester are 2 hours ahead of those in Calgary (UTC−4 and UTC−6).
If it is 9:00 AM in Calgary, what time is it in Rochester, NY?
At 9:00 AM in Calgary, clocks in Rochester show 11:00 AM.
What time is it in Rochester, NY, at the end of the working day in Calgary?
The working day in Calgary ends at 6:00 PM; in Rochester it is 8:00 PM at that moment.
Is there a time when both Calgary and Rochester, NY, are at work?
Yes: from 9:00 AM to 4:00 PM in Calgary (11:00 AM to 6:00 PM in Rochester), the working days (9:00 AM–6:00 PM) overlap.
From what time in Calgary is it tomorrow in Rochester, NY?
Once it is 10:00 PM in Calgary, the date in Rochester has already changed. Until 2:00 AM in Rochester, it is still the previous day in Calgary.
Is the time difference between Calgary and Rochester, NY, the same all year?
No. Only Rochester switches to summer time, so the gap changes twice a year. From November 1, 2026, Rochester will be 1 hour ahead of Calgary.
