Itu to Porto: time difference
Porto is 3 h ahead of Itu. 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.
Itu 05:45 5:45 AM Porto 08:45 8:45 AM You –:–
05:45 5:45 AM
Brasilia Standard Time · UTC-3
☀️ 05:22 · 🌙 18:26
08:45 8:45 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
·
+3 h
Porto is 3 h ahead of Itu.
When you, Itu 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
🇧🇷 Itu
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 | 🇧🇷 Itu | 🇵🇹 Porto |
|---|---|---|
| Local time | 05:45 | 08:45 |
| 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 Itu | — | +3 h |
| IANA zone | America/Sao Paulo | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:22 | 07:12 |
| Sunset | 18:26 | 17:26 |
| Daylight | 13 h 4 min | 10 h 14 min |
| People on this clock | 168,240 | 231,828 |
Compare Itu with another city
More comparisons with Itu: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Itu and Porto: common questions
How far ahead of Itu is Porto?
Porto is 3 hours ahead of Itu: UTC+0 against UTC−3.
What time is it in Porto when it is 9:00 AM in Itu?
When it is 9:00 AM in Itu, it is 12:00 PM in Porto.
What time is it in Porto at the end of the working day in Itu?
The working day in Itu ends at 6:00 PM; in Porto it is 9:00 PM at that moment.
When do working hours in Itu and in Porto overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Itu, which is 12:00 PM to 6:00 PM in Porto.
When is it already the next day in Porto?
From 9:00 PM in Itu it is already the next day in Porto. The other way round, until 3:00 AM in Porto it is still the previous day in Itu.
Does the time difference between Itu and Porto change?
Yes. The clocks change only in Porto. From March 28, 2027, Porto will be 4 hours ahead of Itu.