Porto to Las Piedras: time difference
Las Piedras is 3 h behind Porto. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Porto 20:34 8:34 PM Las Piedras 17:34 5:34 PM You –:–
20:34 8:34 PM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
17:34 5:34 PM
Uruguay Standard Time · UTC-3
☀️ 05:39 · 🌙 19:19
·
−3 h
Las Piedras is 3 h behind Porto.
When you, Porto 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
🇵🇹 Porto
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
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 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Porto | 🇺🇾 Las Piedras |
|---|---|---|
| Local time | 20:34 | 17:34 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Western European Standard Time | Uruguay Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Porto | — | −3 h |
| IANA zone | Europe/Lisbon | America/Montevideo |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 05:39 |
| Sunset | 17:26 | 19:19 |
| Daylight | 10 h 14 min | 13 h 40 min |
| People on this clock | 231,828 | 71,268 |
Compare Porto with another city
More comparisons with Porto: the time zones next to it and the far side of the clock.
Big time differences
Porto and Las Piedras: common questions
What is the time difference between Porto and Las Piedras?
Las Piedras is 3 hours behind: it uses UTC−3, while Porto is on UTC+0.
If it is 9:00 AM in Porto, what time is it in Las Piedras?
At 9:00 AM in Porto, clocks in Las Piedras show 6:00 AM.
What time is it in Las Piedras at the end of the working day in Porto?
The working day in Porto ends at 6:00 PM; in Las Piedras it is 3:00 PM at that moment.
When is a good time to call Las Piedras from Porto?
Between 12:00 PM and 6:00 PM in Porto – that is 9:00 AM to 3:00 PM in Las Piedras – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Las Piedras compared with Porto?
The new day starts in Las Piedras later: until 3:00 AM in Porto, it is still the previous day there. From 9:00 PM in Las Piedras, Porto is already on the next day.
Is the time difference between Porto and Las Piedras the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Las Piedras will be 4 hours behind Porto.
