Altos to Lisbon: time difference
Lisbon is 4 h ahead of Altos. Live clocks for both, the working hours they share, and how each one sits against your own time.
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Altos 23:47 11:47 PM Lisbon 03:47 3:47 AM You –:–
23:47 11:47 PM
Paraguay Summer Time · UTC-3
☀️ 06:21 · 🌙 18:53
03:47 3:47 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
·
+4 h
Lisbon is 4 h ahead of Altos.
When you, Altos and Lisbon 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
🇵🇹 Lisbon
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 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇾 Altos | 🇵🇹 Lisbon |
|---|---|---|
| Local time | 23:47 | 03:47 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Paraguay Summer Time | Western European Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Altos | — | +4 h |
| IANA zone | America/Asuncion | Europe/Lisbon |
| Daylight saving | On summer time → UTC-4, Mar 27, 23:00 | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:21 | 07:41 |
| Sunset | 18:53 | 19:07 |
| Daylight | 12 h 31 min | 11 h 26 min |
| People on this clock | 4,763 | 545,923 |
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 Lisbon: common questions
What is the time difference between Altos and Lisbon?
Lisbon is 4 hours ahead: it uses UTC+1, while Altos is on UTC−3.
What time is it in Lisbon at the start of the working day in Altos?
The working day in Altos starts at 9:00 AM; in Lisbon it is 1:00 PM at that moment.
If it is 6:00 PM in Altos, what time is it in Lisbon?
At 6:00 PM in Altos, clocks in Lisbon show 10:00 PM.
Is there a time when both Altos and Lisbon are at work?
Yes: from 9:00 AM to 2:00 PM in Altos (1:00 PM to 6:00 PM in Lisbon), the working days (9:00 AM–6:00 PM) overlap.
From what time in Altos is it tomorrow in Lisbon?
Once it is 8:00 PM in Altos, the date in Lisbon has already changed. Until 4:00 AM in Lisbon, it is still the previous day in Altos.
Is the time difference between Altos and Lisbon the same all year?
No. Only Lisbon switches to summer time, so the gap changes twice a year. From October 25, 2026, Lisbon will be 3 hours ahead of Altos.
