Portsmouth to Montreal: time difference
Montreal is 1 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 11:04 11:04 AM Montreal 10:04 10:04 AM You –:–
11:04 11:04 AM
Atlantic Standard Time · UTC-4
☀️ 06:05 · 🌙 17:36
10:04 10:04 AM
Eastern Standard Time · UTC-5
☀️ 06:41 · 🌙 16:36
·
−1 h
Montreal is 1 h behind Portsmouth.
When you, Portsmouth and Montreal 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
🇨🇦 Montreal
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 | 🇩🇲 Portsmouth | 🇨🇦 Montreal |
|---|---|---|
| Local time | 11:04 | 10:04 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Atlantic Standard Time | Eastern Standard Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Portsmouth | — | −1 h |
| IANA zone | America/Dominica | America/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:05 | 06:41 |
| Sunset | 17:36 | 16:36 |
| Daylight | 11 h 31 min | 9 h 55 min |
| People on this clock | 3,633 | 1,762,949 |
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 Montreal: common questions
How far behind Portsmouth is Montreal?
Montreal is 1 hour behind Portsmouth: UTC−5 against UTC−4.
What time is it in Montreal when it is 9:00 AM in Portsmouth?
When it is 9:00 AM in Portsmouth, it is 8:00 AM in Montreal.
What time is it in Montreal at the end of the working day in Portsmouth?
The working day in Portsmouth ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
Is there a time when both Portsmouth and Montreal are at work?
Yes: from 10:00 AM to 6:00 PM in Portsmouth (9:00 AM to 5:00 PM in Montreal), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Montreal?
Until 1:00 AM in Portsmouth it is still the previous day in Montreal. The other way round, from 11:00 PM in Montreal it is already the next day in Portsmouth.
Does the time gap between Portsmouth and Montreal change during the year?
Yes – daylight saving time is used in Montreal but not in Portsmouth. From March 14, 2027, Montreal and Portsmouth will have the same time.
