Lisbon to Arecibo: time difference
Arecibo 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 19:01 7:01 PM Arecibo 14:01 2:01 PM You –:–
19:01 7:01 PM
Western European Summer Time · UTC+1
☀️ 07:48 · 🌙 18:57
14:01 2:01 PM
Atlantic Standard Time · UTC-4
☀️ 06:22 · 🌙 18:04
·
−5 h
Arecibo is 5 h behind Lisbon.
When you, Lisbon and Arecibo 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
🇵🇷 Arecibo
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 | 🇵🇷 Arecibo |
|---|---|---|
| Local time | 19:01 | 14:01 |
| 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 | 06:22 |
| Sunset | 18:57 | 18:04 |
| Daylight | 11 h 9 min | 11 h 42 min |
| People on this clock | 545,923 | 39,634 |
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 Arecibo: common questions
How far behind Lisbon is Arecibo?
Arecibo is 5 hours behind Lisbon: UTC−4 against UTC+1.
If it is 9:00 AM in Lisbon, what time is it in Arecibo?
At 9:00 AM in Lisbon, clocks in Arecibo show 4:00 AM.
What time is it in Arecibo at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Arecibo it is 1:00 PM at that moment.
Is there a time when both Lisbon and Arecibo are at work?
Yes: from 2:00 PM to 6:00 PM in Lisbon (9:00 AM to 1:00 PM in Arecibo), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Lisbon is it still yesterday in Arecibo?
Before 5:00 AM in Lisbon, the date in Arecibo has not changed yet. From 7:00 PM in Arecibo, it is already the next day in Lisbon.
Does the time difference between Lisbon and Arecibo change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Arecibo will be 4 hours behind Lisbon.
