Lisbon to San Juan: time difference
San Juan 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 02:07 2:07 AM San Juan 21:07 9:07 PM You –:–
02:07 2:07 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
21:07 9:07 PM
Atlantic Standard Time · UTC-4
☀️ 06:17 · 🌙 18:08
·
−5 h
San Juan is 5 h behind Lisbon.
When you, Lisbon and San Juan 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
🇵🇷 San Juan
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 | 🇵🇷 San Juan |
|---|---|---|
| Local time | 02:07 | 21:07 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 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 | 07:41 | 06:17 |
| Sunset | 19:07 | 18:08 |
| Daylight | 11 h 26 min | 11 h 50 min |
| People on this clock | 545,923 | 322,854 |
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 San Juan: common questions
What is the time difference between Lisbon and San Juan?
San Juan is 5 hours behind: it uses UTC−4, while Lisbon is on UTC+1.
What time is it in San Juan when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 4:00 AM in San Juan.
What time is it in San Juan at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in San Juan it is 1:00 PM at that moment.
Is there a time when both Lisbon and San Juan are at work?
Yes: from 2:00 PM to 6:00 PM in Lisbon (9:00 AM to 1:00 PM in San Juan), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in San Juan compared with Lisbon?
The new day starts in San Juan later: until 5:00 AM in Lisbon, it is still the previous day there. From 7:00 PM in San Juan, Lisbon is already on the next day.
Does the time gap between Lisbon and San Juan change during the year?
Yes – daylight saving time is used in Lisbon but not in San Juan. From October 25, 2026, San Juan will be 4 hours behind Lisbon.
