Lisbon to Summerside, PE: time difference
Summerside, PE is 4 h behind Lisbon. 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.
Lisbon 01:34 1:34 AM Summerside, PE 21:34 9:34 PM You –:–
01:34 1:34 AM
Western European Summer Time · UTC+1
☀️ 07:45 · 🌙 19:01
21:34 9:34 PM
Atlantic Daylight Time · UTC-3
☀️ 07:31 · 🌙 18:32
·
−4 h
Summerside, PE is 4 h behind Lisbon.
When you, Lisbon and Summerside, PE are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇨🇦 Summerside, PE
20 8 PM 21 9 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇨🇦 Summerside, PE |
|---|---|---|
| Local time | 01:34 | 21:34 |
| Local date | Thursday, October 15, 2026 | Wednesday, October 14, 2026 |
| Time zone | Western European Summer Time | Atlantic Daylight Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Lisbon | — | −4 h |
| IANA zone | Europe/Lisbon | America/Halifax |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-4, Nov 1, 01:00 |
| Sunrise | 07:45 | 07:31 |
| Sunset | 19:01 | 18:32 |
| Daylight | 11 h 16 min | 11 h 1 min |
| People on this clock | 545,923 | 16,001 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Summerside, PE: common questions
How far behind Lisbon is Summerside, PE?
Summerside is 4 hours behind Lisbon: UTC−3 against UTC+1.
What time is it in Summerside, PE, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Summerside it is 5:00 AM at that moment.
What time is it in Summerside, PE, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Summerside it is 2:00 PM at that moment.
When is a good time to call Summerside, PE, from Lisbon?
Between 1:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 2:00 PM in Summerside – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Lisbon is it still yesterday in Summerside, PE?
Before 4:00 AM in Lisbon, the date in Summerside has not changed yet. From 8:00 PM in Summerside, it is already the next day in Lisbon.
Is the time difference between Lisbon and Summerside, PE, the same all year?
No. Both places use summer time, but they switch on different dates, so for a while the gap changes. From October 25, 2026, Summerside will be 3 hours behind Lisbon.
