Lisbon to Islip, NY: time difference
Islip, NY 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 06:53 6:53 AM Islip, NY 01:53 1:53 AM You –:–
06:53 6:53 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
01:53 1:53 AM
Eastern Daylight Time · UTC-4
☀️ 07:08 · 🌙 18:10
·
−5 h
Islip, NY is 5 h behind Lisbon.
When you, Lisbon and Islip, NY 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
🇺🇸 Islip, NY
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 | 🇺🇸 Islip, NY |
|---|---|---|
| Local time | 06:53 | 01:53 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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/New York |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:49 | 07:08 |
| Sunset | 18:56 | 18:10 |
| Daylight | 11 h 7 min | 11 h 2 min |
| People on this clock | 545,923 | 339,938 |
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 Islip, NY: common questions
What is the time difference between Lisbon and Islip, NY?
Islip is 5 hours behind: it uses UTC−4, while Lisbon is on UTC+1.
What time is it in Islip, NY, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 4:00 AM in Islip.
If it is 6:00 PM in Lisbon, what time is it in Islip, NY?
At 6:00 PM in Lisbon, clocks in Islip show 1:00 PM.
When is a good time to call Islip, NY, from Lisbon?
Between 2:00 PM and 6:00 PM in Lisbon – that is 9:00 AM to 1:00 PM in Islip – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Islip, NY?
Until 5:00 AM in Lisbon it is still the previous day in Islip. The other way round, from 7:00 PM in Islip it is already the next day in Lisbon.
Does the time gap between Lisbon and Islip, NY, change during the year?
Yes, because the clocks in Lisbon and in Islip change on different dates. Next change: from October 25, 2026, Islip will be 4 hours behind Lisbon.
