Lisbon to Alert: time difference
Alert is 5 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 23:03 11:03 PM Alert 18:03 6:03 PM You –:–
23:03 11:03 PM
Western European Summer Time · UTC+1
☀️ 07:45 · 🌙 19:01
18:03 6:03 PM
Eastern Daylight Time · UTC-4
☀️ 11:05 · 🌙 12:48
·
−5 h
Alert is 5 h behind Lisbon.
When you, Lisbon and Alert 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
🇨🇦 Alert
19 7 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇨🇦 Alert |
|---|---|---|
| Local time | 23:03 | 18:03 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Western European Summer Time | Eastern Daylight Time |
| UTC offset | UTC+1 | UTC-4 |
| Offset from Lisbon | — | −5 h |
| IANA zone | Europe/Lisbon | America/Iqaluit |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:45 | 11:05 |
| Sunset | 19:01 | 12:48 |
| Daylight | 11 h 16 min | 1 h 43 min |
| People on this clock | 545,923 | 60 |
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 Alert: common questions
How many hours behind Lisbon is Alert?
The clocks in Alert are 5 hours behind those in Lisbon (UTC−4 and UTC+1).
What time is it in Alert at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Alert it is 4:00 AM at that moment.
What time is it in Alert when it is 6:00 PM in Lisbon?
When it is 6:00 PM in Lisbon, it is 1:00 PM in Alert.
When do working hours in Lisbon and in Alert overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 1:00 PM in Alert.
When does the date change in Alert compared with Lisbon?
The new day starts in Alert later: until 5:00 AM in Lisbon, it is still the previous day there. From 7:00 PM in Alert, Lisbon is already on the next day.
Does the time difference between Lisbon and Alert change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Alert will be 4 hours behind Lisbon.
