Toronto to Portsmouth: time difference
Portsmouth is 1 h ahead of Toronto. 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.
Toronto 17:58 5:58 PM Portsmouth 18:58 6:58 PM You –:–
17:58 5:58 PM
Eastern Standard Time · UTC-5
☀️ 07:00 · 🌙 17:03
18:58 6:58 PM
Atlantic Standard Time · UTC-4
☀️ 06:05 · 🌙 17:36
·
+1 h
Portsmouth is 1 h ahead of Toronto.
When you, Toronto and Portsmouth are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Toronto
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
🇩🇲 Portsmouth
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 | 🇨🇦 Toronto | 🇩🇲 Portsmouth |
|---|---|---|
| Local time | 17:58 | 18:58 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern Standard Time | Atlantic Standard Time |
| UTC offset | UTC-5 | UTC-4 |
| Offset from Toronto | — | +1 h |
| IANA zone | America/Toronto | America/Dominica |
| Daylight saving | On standard time → UTC-4, Mar 14, 03:00 | Not observed |
| Sunrise | 07:00 | 06:05 |
| Sunset | 17:03 | 17:36 |
| Daylight | 10 h 3 min | 11 h 31 min |
| People on this clock | 2,731,571 | 3,633 |
Compare Toronto with another city
More comparisons with Toronto: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Toronto and Portsmouth: common questions
What is the time difference between Toronto and Portsmouth?
Portsmouth is 1 hour ahead: it uses UTC−4, while Toronto is on UTC−5.
What time is it in Portsmouth when it is 9:00 AM in Toronto?
When it is 9:00 AM in Toronto, it is 10:00 AM in Portsmouth.
What time is it in Portsmouth when it is 6:00 PM in Toronto?
When it is 6:00 PM in Toronto, it is 7:00 PM in Portsmouth.
When is a good time to call Portsmouth from Toronto?
Between 9:00 AM and 5:00 PM in Toronto – that is 10:00 AM to 6:00 PM in Portsmouth – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Portsmouth?
From 11:00 PM in Toronto it is already the next day in Portsmouth. The other way round, until 1:00 AM in Portsmouth it is still the previous day in Toronto.
Does the time difference between Toronto and Portsmouth change?
Yes. The clocks change only in Toronto. From March 14, 2027, Portsmouth and Toronto will have the same time.