Islip, NY to Lisbon: time difference
Lisbon is 5 h ahead of Islip, NY. Live clocks for both, the working hours they share, and how each one sits against your own time.
+5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Islip, NY 22:15 10:15 PM Lisbon 03:15 3:15 AM You –:–
22:15 10:15 PM
Eastern Daylight Time · UTC-4
☀️ 07:07 · 🌙 18:11
03:15 3:15 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
·
+5 h
Lisbon is 5 h ahead of Islip, NY.
When you, Islip, NY and Lisbon are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Islip, NY
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
🇵🇹 Lisbon
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 1 1 AM 2 2 AM 3 3 AM 4 4 AM
📍 Your time
- Asleep
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Time zones side by side
| Detail | 🇺🇸 Islip, NY | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 22:15 | 03:15 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from Islip, NY | — | +5 h |
| IANA zone | America/New York | Europe/Lisbon |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:07 | 07:49 |
| Sunset | 18:11 | 18:56 |
| Daylight | 11 h 4 min | 11 h 7 min |
| People on this clock | 339,938 | 545,923 |
Compare Islip, NY with another city
More comparisons with Islip, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Islip, NY and Lisbon: common questions
How many hours ahead of Islip, NY, is Lisbon?
The clocks in Lisbon are 5 hours ahead of those in Islip (UTC+1 and UTC−4).
If it is 9:00 AM in Islip, NY, what time is it in Lisbon?
At 9:00 AM in Islip, clocks in Lisbon show 2:00 PM.
What time is it in Lisbon at the end of the working day in Islip, NY?
The working day in Islip ends at 6:00 PM; in Lisbon it is 11:00 PM at that moment.
Is there a time when both Islip, NY, and Lisbon are at work?
Yes: from 9:00 AM to 1:00 PM in Islip (2:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Lisbon?
From 7:00 PM in Islip, NY, it is already the next day in Lisbon. The other way round, until 5:00 AM in Lisbon it is still the previous day in Islip.
Does the time gap between Islip, NY, and Lisbon change during the year?
Yes, because the clocks in Islip and in Lisbon change on different dates. Next change: from October 25, 2026, Lisbon will be 4 hours ahead of Islip.
