Princeton, NJ to Lisbon: time difference
Lisbon is 5 h ahead of Princeton, NJ. 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.
Princeton, NJ 18:50 6:50 PM Lisbon 23:50 11:50 PM You –:–
18:50 6:50 PM
Eastern Daylight Time · UTC-4
☀️ 07:06 · 🌙 18:26
23:50 11:50 PM
Western European Summer Time · UTC+1
☀️ 07:42 · 🌙 19:06
·
+5 h
Lisbon is 5 h ahead of Princeton, NJ.
When you, Princeton, NJ 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
🇺🇸 Princeton, NJ
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
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Princeton, NJ | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 18:50 | 23:50 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 2026 |
| Time zone | Eastern Daylight Time | Western European Summer Time |
| UTC offset | UTC-4 | UTC+1 |
| Offset from Princeton, NJ | — | +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 | 07:06 | 07:42 |
| Sunset | 18:26 | 19:06 |
| Daylight | 11 h 21 min | 11 h 24 min |
| People on this clock | 29,603 | 545,923 |
Compare Princeton, NJ with another city
More comparisons with Princeton, NJ: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Princeton, NJ and Lisbon: common questions
How many hours ahead of Princeton, NJ, is Lisbon?
The clocks in Lisbon are 5 hours ahead of those in Princeton (UTC+1 and UTC−4).
If it is 9:00 AM in Princeton, NJ, what time is it in Lisbon?
At 9:00 AM in Princeton, clocks in Lisbon show 2:00 PM.
What time is it in Lisbon when it is 6:00 PM in Princeton, NJ?
When it is 6:00 PM in Princeton, it is 11:00 PM in Lisbon.
When do working hours in Princeton, NJ, and in Lisbon overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 1:00 PM in Princeton, which is 2:00 PM to 6:00 PM in Lisbon.
When is it already the next day in Lisbon?
From 7:00 PM in Princeton, NJ, 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 Princeton.
Is the time difference between Princeton, NJ, 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 Princeton.
