Smithtown, NY to Lisbon: time difference
Lisbon is 5 h ahead of Smithtown, 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.
Smithtown, NY 05:28 5:28 AM Lisbon 10:28 10:28 AM You –:–
05:28 5:28 AM
Eastern Daylight Time · UTC-4
☀️ 07:12 · 🌙 18:04
10:28 10:28 AM
Western European Summer Time · UTC+1
☀️ 07:53 · 🌙 18:50
·
+5 h
Lisbon is 5 h ahead of Smithtown, NY.
When you, Smithtown, 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
🇺🇸 Smithtown, 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
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Time zones side by side
| Detail | 🇺🇸 Smithtown, NY | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 05:28 | 10:28 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Eastern Daylight Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from Smithtown, 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 | 07:12 | 07:53 |
| Sunset | 18:04 | 18:50 |
| Daylight | 10 h 51 min | 10 h 57 min |
| People on this clock | 116,296 | 545,923 |
Compare Smithtown, NY with another city
More comparisons with Smithtown, NY: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Smithtown, NY and Lisbon: common questions
How many hours ahead of Smithtown, NY, is Lisbon?
The clocks in Lisbon are 5 hours ahead of those in Smithtown (UTC+1 and UTC−4).
What time is it in Lisbon when it is 9:00 AM in Smithtown, NY?
When it is 9:00 AM in Smithtown, it is 2:00 PM in Lisbon.
What time is it in Lisbon when it is 6:00 PM in Smithtown, NY?
When it is 6:00 PM in Smithtown, it is 11:00 PM in Lisbon.
Is there a time when both Smithtown, NY, and Lisbon are at work?
Yes: from 9:00 AM to 1:00 PM in Smithtown (2:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Lisbon compared with Smithtown, NY?
The new day starts in Lisbon earlier: at 7:00 PM in Smithtown it is already midnight there. Until 5:00 AM in Lisbon, Smithtown is still on the previous day.
Is the time difference between Smithtown, NY, and Lisbon 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, Lisbon will be 4 hours ahead of Smithtown.
