Lisbon to Oyster Bay, NY: time difference
Oyster Bay, 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 00:09 12:09 AM Oyster Bay, NY 19:09 7:09 PM You –:–
00:09 12:09 AM
Western European Summer Time · UTC+1
☀️ 07:42 · 🌙 19:06
19:09 7:09 PM
Eastern Daylight Time · UTC-4
☀️ 07:01 · 🌙 18:21
·
−5 h
Oyster Bay, NY is 5 h behind Lisbon.
When you, Lisbon and Oyster Bay, 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
🇺🇸 Oyster Bay, 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 | 🇺🇸 Oyster Bay, NY |
|---|---|---|
| Local time | 00:09 | 19:09 |
| Local date | Monday, October 12, 2026 | Sunday, October 11, 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 | 07:42 | 07:01 |
| Sunset | 19:06 | 18:21 |
| Daylight | 11 h 24 min | 11 h 20 min |
| People on this clock | 545,923 | 301,332 |
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 Oyster Bay, NY: common questions
What is the time difference between Lisbon and Oyster Bay, NY?
Oyster Bay is 5 hours behind: it uses UTC−4, while Lisbon is on UTC+1.
What time is it in Oyster Bay, NY, at the start of the working day in Lisbon?
The working day in Lisbon starts at 9:00 AM; in Oyster Bay it is 4:00 AM at that moment.
What time is it in Oyster Bay, NY, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Oyster Bay it is 1:00 PM at that moment.
Is there a time when both Lisbon and Oyster Bay, NY, are at work?
Yes: from 2:00 PM to 6:00 PM in Lisbon (9:00 AM to 1:00 PM in Oyster Bay), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Lisbon is it still yesterday in Oyster Bay, NY?
Before 5:00 AM in Lisbon, the date in Oyster Bay has not changed yet. From 7:00 PM in Oyster Bay, it is already the next day in Lisbon.
Does the time gap between Lisbon and Oyster Bay, NY, change during the year?
Yes, because the clocks in Lisbon and in Oyster Bay change on different dates. Next change: from October 25, 2026, Oyster Bay will be 4 hours behind Lisbon.
