Portsmouth to Calgary: time difference
Calgary is 2 h behind Portsmouth. 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.
Portsmouth 06:00 6:00 AM Calgary 04:00 4:00 AM You –:–
06:00 6:00 AM
Atlantic Standard Time · UTC-4
☀️ 05:57 · 🌙 17:50
04:00 4:00 AM
Mountain Daylight Time · UTC-6
☀️ 07:52 · 🌙 18:56
·
−2 h
Calgary is 2 h behind Portsmouth.
When you, Portsmouth 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
🇩🇲 Portsmouth
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇩🇲 Portsmouth | 🇨🇦 Calgary |
|---|---|---|
| Local time | 06:00 | 04:00 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Portsmouth | — | −2 h |
| IANA zone | America/Dominica | America/Edmonton |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:57 | 07:52 |
| Sunset | 17:50 | 18:56 |
| Daylight | 11 h 52 min | 11 h 4 min |
| People on this clock | 3,633 | 1,267,344 |
Compare Portsmouth with another city
More comparisons with Portsmouth: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Portsmouth and Calgary: common questions
How far behind Portsmouth is Calgary?
Calgary is 2 hours behind Portsmouth: UTC−6 against UTC−4.
If it is 9:00 AM in Portsmouth, what time is it in Calgary?
At 9:00 AM in Portsmouth, clocks in Calgary show 7:00 AM.
If it is 6:00 PM in Portsmouth, what time is it in Calgary?
At 6:00 PM in Portsmouth, clocks in Calgary show 4:00 PM.
Is there a time when both Portsmouth and Calgary are at work?
Yes: from 11:00 AM to 6:00 PM in Portsmouth (9:00 AM to 4:00 PM in Calgary), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Portsmouth is it still yesterday in Calgary?
Before 2:00 AM in Portsmouth, the date in Calgary has not changed yet. From 10:00 PM in Calgary, it is already the next day in Portsmouth.
Is the time difference between Portsmouth and Calgary the same all year?
Yes. Neither Portsmouth nor Calgary switches to summer time, so the gap is always 2 hours.
