Lisbon to Porto Alegre: time difference
Porto Alegre is 1 h behind Lisbon. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇸🇹 Porto Alegre, Sao Tome and Principe
20
- Greenwich Mean Time
- UTC+0
- Daytime
☀️ 05:18 · 🌙 17:25 · 12 h 7 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Lisbon 10:43 10:43 AM Porto Alegre 09:43 9:43 AM You –:–
10:43 10:43 AM
Western European Summer Time · UTC+1
☀️ 07:41 · 🌙 19:07
09:43 9:43 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:25
·
−1 h
Porto Alegre is 1 h behind Lisbon.
When you, Lisbon and Porto Alegre 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
🇸🇹 Porto Alegre
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇸🇹 Porto Alegre |
|---|---|---|
| Local time | 10:43 | 09:43 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Western European Summer Time | Greenwich Mean Time |
| UTC offset | UTC+1 | UTC+0 |
| Offset from Lisbon | — | −1 h |
| IANA zone | Europe/Lisbon | Africa/Sao Tome |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:41 | 05:18 |
| Sunset | 19:07 | 17:25 |
| Daylight | 11 h 26 min | 12 h 7 min |
| People on this clock | 545,923 | 795 |
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 Porto Alegre: common questions
How many hours behind Lisbon is Porto Alegre?
The clocks in Porto Alegre are 1 hour behind those in Lisbon (UTC+0 and UTC+1).
If it is 9:00 AM in Lisbon, what time is it in Porto Alegre?
At 9:00 AM in Lisbon, clocks in Porto Alegre show 8:00 AM.
What time is it in Porto Alegre at the end of the working day in Lisbon?
The working day in Lisbon ends at 6:00 PM; in Porto Alegre it is 5:00 PM at that moment.
When is a good time to call Porto Alegre from Lisbon?
Between 10:00 AM and 6:00 PM in Lisbon – that is 9:00 AM to 5:00 PM in Porto Alegre – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Porto Alegre?
Until 1:00 AM in Lisbon it is still the previous day in Porto Alegre. The other way round, from 11:00 PM in Porto Alegre it is already the next day in Lisbon.
Is the time difference between Lisbon and Porto Alegre the same all year?
No. Only Lisbon switches to summer time, so the gap changes twice a year. From October 25, 2026, Porto Alegre and Lisbon will have the same time.
