Altos to Porto: time difference
Porto is 3 h ahead of Altos. 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.
Altos 17:24 5:24 PM Porto 20:24 8:24 PM You –:–
17:24 5:24 PM
Paraguay Standard Time · UTC-3
☀️ 05:59 · 🌙 19:08
20:24 8:24 PM
Western European Standard Time · UTC+0
☀️ 07:11 · 🌙 17:27
·
+3 h
Porto is 3 h ahead of Altos.
When you, Altos and Porto are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇾 Altos
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
🇵🇹 Porto
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 0 12 AM 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇾 Altos | 🇵🇹 Porto |
|---|---|---|
| Local time | 17:24 | 20:24 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Paraguay Standard Time | Western European Standard Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Altos | — | +3 h |
| IANA zone | America/Asuncion | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:59 | 07:11 |
| Sunset | 19:08 | 17:27 |
| Daylight | 13 h 9 min | 10 h 16 min |
| People on this clock | 4,763 | 231,828 |
Compare Altos with another city
More comparisons with Altos: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Altos and Porto: common questions
How many hours ahead of Altos is Porto?
The clocks in Porto are 3 hours ahead of those in Altos (UTC+0 and UTC−3).
If it is 9:00 AM in Altos, what time is it in Porto?
At 9:00 AM in Altos, clocks in Porto show 12:00 PM.
What time is it in Porto when it is 6:00 PM in Altos?
When it is 6:00 PM in Altos, it is 9:00 PM in Porto.
When do working hours in Altos and in Porto overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Altos, which is 12:00 PM to 6:00 PM in Porto.
From what time in Altos is it tomorrow in Porto?
Once it is 9:00 PM in Altos, the date in Porto has already changed. Until 3:00 AM in Porto, it is still the previous day in Altos.
Does the time difference between Altos and Porto change?
Yes. The clocks change only in Porto. From March 28, 2027, Porto will be 4 hours ahead of Altos.
