Calgary to Oyster Bay, NY: time difference
Oyster Bay, 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 17:59 5:59 PM Oyster Bay, NY 19:59 7:59 PM You –:–
17:59 5:59 PM
Mountain Daylight Time · UTC-6
☀️ 07:54 · 🌙 18:54
19:59 7:59 PM
Eastern Daylight Time · UTC-4
☀️ 07:01 · 🌙 18:21
·
+2 h
Oyster Bay, NY is 2 h ahead of Calgary.
When you, Calgary and Oyster Bay, 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
🇺🇸 Oyster Bay, 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 | 🇺🇸 Oyster Bay, NY |
|---|---|---|
| Local time | 17:59 | 19:59 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 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 | 07:54 | 07:01 |
| Sunset | 18:54 | 18:21 |
| Daylight | 11 h | 11 h 20 min |
| People on this clock | 1,267,344 | 301,332 |
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 Oyster Bay, NY: common questions
What is the time difference between Calgary and Oyster Bay, NY?
Oyster Bay is 2 hours ahead: it uses UTC−4, while Calgary is on UTC−6.
If it is 9:00 AM in Calgary, what time is it in Oyster Bay, NY?
At 9:00 AM in Calgary, clocks in Oyster Bay show 11:00 AM.
If it is 6:00 PM in Calgary, what time is it in Oyster Bay, NY?
At 6:00 PM in Calgary, clocks in Oyster Bay show 8:00 PM.
Is there a time when both Calgary and Oyster Bay, NY, are at work?
Yes: from 9:00 AM to 4:00 PM in Calgary (11:00 AM to 6:00 PM in Oyster Bay), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Oyster Bay, NY?
From 10:00 PM in Calgary it is already the next day in Oyster Bay. The other way round, until 2:00 AM in Oyster Bay it is still the previous day in Calgary.
Does the time difference between Calgary and Oyster Bay, NY, change?
Yes. The clocks change only in Oyster Bay. From November 1, 2026, Oyster Bay will be 1 hour ahead of Calgary.
