Atibaia to Porto: time difference
Porto is 3 h ahead of Atibaia. 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.
Atibaia 18:14 6:14 PM Porto 21:14 9:14 PM You –:–
18:14 6:14 PM
Brasilia Standard Time · UTC-3
☀️ 05:19 · 🌙 18:23
21:14 9:14 PM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
·
+3 h
Porto is 3 h ahead of Atibaia.
When you, Atibaia 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
🇧🇷 Atibaia
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
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Time zones side by side
| Detail | 🇧🇷 Atibaia | 🇵🇹 Porto |
|---|---|---|
| Local time | 18:14 | 21:14 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Brasilia Standard Time | Western European Standard Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Atibaia | — | +3 h |
| IANA zone | America/Sao Paulo | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:19 | 07:12 |
| Sunset | 18:23 | 17:26 |
| Daylight | 13 h 4 min | 10 h 14 min |
| People on this clock | 158,647 | 231,828 |
Compare Atibaia with another city
More comparisons with Atibaia: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Atibaia and Porto: common questions
What is the time difference between Atibaia and Porto?
Porto is 3 hours ahead: it uses UTC+0, while Atibaia is on UTC−3.
What time is it in Porto at the start of the working day in Atibaia?
The working day in Atibaia starts at 9:00 AM; in Porto it is 12:00 PM at that moment.
What time is it in Porto when it is 6:00 PM in Atibaia?
When it is 6:00 PM in Atibaia, it is 9:00 PM in Porto.
When do working hours in Atibaia and in Porto overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Atibaia, which is 12:00 PM to 6:00 PM in Porto.
When does the date change in Porto compared with Atibaia?
The new day starts in Porto earlier: at 9:00 PM in Atibaia it is already midnight there. Until 3:00 AM in Porto, Atibaia is still on the previous day.
Is the time difference between Atibaia and Porto the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Porto will be 4 hours ahead of Atibaia.
