Calgary to Old Harbour: time difference
Old Harbour is 1 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 22:41 10:41 PM Old Harbour 23:41 11:41 PM You –:–
22:41 10:41 PM
Mountain Daylight Time · UTC-6
☀️ 08:36 · 🌙 18:05
23:41 11:41 PM
Eastern Standard Time · UTC-5
☀️ 06:10 · 🌙 17:36
·
+1 h
Old Harbour is 1 h ahead of Calgary.
When you, Calgary and Old Harbour 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
🇯🇲 Old Harbour
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Calgary | 🇯🇲 Old Harbour |
|---|---|---|
| Local time | 22:41 | 23:41 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Mountain Daylight Time | Eastern Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Calgary | — | +1 h |
| IANA zone | America/Edmonton | America/Jamaica |
| Daylight saving | On summer time | Not observed |
| Sunrise | 08:36 | 06:10 |
| Sunset | 18:05 | 17:36 |
| Daylight | 9 h 29 min | 11 h 26 min |
| People on this clock | 1,267,344 | 26,024 |
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 Old Harbour: common questions
What is the time difference between Calgary and Old Harbour?
Old Harbour is 1 hour ahead: it uses UTC−5, while Calgary is on UTC−6.
If it is 9:00 AM in Calgary, what time is it in Old Harbour?
At 9:00 AM in Calgary, clocks in Old Harbour show 10:00 AM.
What time is it in Old Harbour when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 7:00 PM in Old Harbour.
Is there a time when both Calgary and Old Harbour are at work?
Yes: from 9:00 AM to 5:00 PM in Calgary (10:00 AM to 6:00 PM in Old Harbour), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Old Harbour?
From 11:00 PM in Calgary it is already the next day in Old Harbour. The other way round, until 1:00 AM in Old Harbour it is still the previous day in Calgary.
Is the time difference between Calgary and Old Harbour the same all year?
Yes. Neither Calgary nor Old Harbour switches to summer time, so the gap is always 1 hour.
