Green Island to Calgary: time difference
Calgary is 1 h behind Green Island. 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.
Green Island 03:01 3:01 AM Calgary 02:01 2:01 AM You –:–
03:01 3:01 AM
Eastern Standard Time · UTC-5
☀️ 06:16 · 🌙 17:39
02:01 2:01 AM
Mountain Daylight Time · UTC-6
☀️ 08:38 · 🌙 18:03
·
−1 h
Calgary is 1 h behind Green Island.
When you, Green Island 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
🇯🇲 Green Island
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
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇯🇲 Green Island | 🇨🇦 Calgary |
|---|---|---|
| Local time | 03:01 | 02:01 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern Standard Time | Mountain Daylight Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Green Island | — | −1 h |
| IANA zone | America/Jamaica | America/Edmonton |
| Daylight saving | Not observed | On summer time |
| Sunrise | 06:16 | 08:38 |
| Sunset | 17:39 | 18:03 |
| Daylight | 11 h 24 min | 9 h 25 min |
| People on this clock | 2,546 | 1,267,344 |
Compare Green Island with another city
More comparisons with Green Island: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Green Island and Calgary: common questions
What is the time difference between Green Island and Calgary?
Calgary is 1 hour behind: it uses UTC−6, while Green Island is on UTC−5.
If it is 9:00 AM in Green Island, what time is it in Calgary?
At 9:00 AM in Green Island, clocks in Calgary show 8:00 AM.
What time is it in Calgary at the end of the working day in Green Island?
The working day in Green Island ends at 6:00 PM; in Calgary it is 5:00 PM at that moment.
Is there a time when both Green Island and Calgary are at work?
Yes: from 10:00 AM to 6:00 PM in Green Island (9:00 AM to 5:00 PM in Calgary), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Green Island is it still yesterday in Calgary?
Before 1:00 AM in Green Island, the date in Calgary has not changed yet. From 11:00 PM in Calgary, it is already the next day in Green Island.
Does the time difference between Green Island and Calgary change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
