Lisbon to Altos: time difference
Altos is 4 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 06:03 6:03 AM Altos 02:03 2:03 AM You –:–
06:03 6:03 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
02:03 2:03 AM
Paraguay Summer Time · UTC-3
☀️ 06:20 · 🌙 18:53
·
−4 h
Altos is 4 h behind Lisbon.
When you, Lisbon and Altos 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
🇵🇾 Altos
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 19 7 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇵🇾 Altos |
|---|---|---|
| Local time | 06:03 | 02:03 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Western European Summer Time | Paraguay Summer Time |
| UTC offset | UTC+1 | UTC-3 |
| Offset from Lisbon | — | −4 h |
| IANA zone | Europe/Lisbon | America/Asuncion |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC-4, Mar 27, 23:00 |
| Sunrise | 07:41 | 06:20 |
| Sunset | 19:07 | 18:53 |
| Daylight | 11 h 26 min | 12 h 33 min |
| People on this clock | 545,923 | 4,763 |
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 Altos: common questions
How far behind Lisbon is Altos?
Altos is 4 hours behind Lisbon: UTC−3 against UTC+1.
What time is it in Altos when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 5:00 AM in Altos.
What time is it in Altos at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Altos it is 2:00 PM at that moment.
When do working hours in Lisbon and in Altos overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in Lisbon, which is 9:00 AM to 2:00 PM in Altos.
When is it still the previous day in Altos?
Until 4:00 AM in Lisbon it is still the previous day in Altos. The other way round, from 8:00 PM in Altos it is already the next day in Lisbon.
Does the time difference between Lisbon and Altos change?
Yes. The clocks change only in Lisbon. From October 25, 2026, Altos will be 3 hours behind Lisbon.
