Lisbon to Boca Raton, FL: time difference
Boca Raton, FL 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 11:46 11:46 AM Boca Raton, FL 06:46 6:46 AM You –:–
11:46 11:46 AM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
06:46 6:46 AM
Eastern Daylight Time · UTC-4
☀️ 07:22 · 🌙 18:51
·
−5 h
Boca Raton, FL is 5 h behind Lisbon.
When you, Lisbon and Boca Raton, FL 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
🇺🇸 Boca Raton, FL
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 | 🇺🇸 Boca Raton, FL |
|---|---|---|
| Local time | 11:46 | 06:46 |
| 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 | 07:22 |
| Sunset | 18:56 | 18:51 |
| Daylight | 11 h 7 min | 11 h 29 min |
| People on this clock | 545,923 | 86,396 |
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 Boca Raton, FL: common questions
What is the time difference between Lisbon and Boca Raton, FL?
Boca Raton is 5 hours behind: it uses UTC−4, while Lisbon is on UTC+1.
What time is it in Boca Raton, FL, when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 4:00 AM in Boca Raton.
What time is it in Boca Raton, FL, at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Boca Raton it is 1:00 PM at that moment.
When do working hours in Lisbon and in Boca Raton, FL, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 1:00 PM in Boca Raton.
When is it still the previous day in Boca Raton, FL?
Until 5:00 AM in Lisbon it is still the previous day in Boca Raton. The other way round, from 7:00 PM in Boca Raton it is already the next day in Lisbon.
Does the time difference between Lisbon and Boca Raton, FL, change?
Yes. Both places change their clocks, but on different dates. From October 25, 2026, Boca Raton will be 4 hours behind Lisbon.
