Lisbon to Las Piedras: time difference
Las Piedras 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 21:48 9:48 PM Las Piedras 16:48 4:48 PM You –:–
21:48 9:48 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:57
16:48 4:48 PM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:01
·
−5 h
Las Piedras is 5 h behind Lisbon.
When you, Lisbon and Las Piedras 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
🇵🇷 Las Piedras
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 | 🇵🇷 Las Piedras |
|---|---|---|
| Local time | 21:48 | 16:48 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Western European Summer Time | Atlantic Standard Time |
| UTC offset | UTC+1 | UTC-4 |
| Offset from Lisbon | — | −5 h |
| IANA zone | Europe/Lisbon | America/Puerto Rico |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:48 | 06:18 |
| Sunset | 18:57 | 18:01 |
| Daylight | 11 h 9 min | 11 h 43 min |
| People on this clock | 545,923 | 38,000 |
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 Las Piedras: common questions
How far behind Lisbon is Las Piedras?
Las Piedras is 5 hours behind Lisbon: UTC−4 against UTC+1.
What time is it in Las Piedras when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 4:00 AM in Las Piedras.
If it is 6:00 PM in Lisbon, what time is it in Las Piedras?
At 6:00 PM in Lisbon, clocks in Las Piedras show 1:00 PM.
Is there a time when both Lisbon and Las Piedras are at work?
Yes: from 2:00 PM to 6:00 PM in Lisbon (9:00 AM to 1:00 PM in Las Piedras), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Lisbon is it still yesterday in Las Piedras?
Before 5:00 AM in Lisbon, the date in Las Piedras has not changed yet. From 7:00 PM in Las Piedras, it is already the next day in Lisbon.
Does the time difference between Lisbon and Las Piedras change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Las Piedras will be 4 hours behind Lisbon.
