Rio Claro to Porto: time difference
Porto is 3 h ahead of Rio Claro. 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.
Rio Claro 07:19 7:19 AM Porto 10:19 10:19 AM You –:–
07:19 7:19 AM
Brasilia Standard Time · UTC-3
☀️ 05:24 · 🌙 18:26
10:19 10:19 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
·
+3 h
Porto is 3 h ahead of Rio Claro.
When you, Rio Claro 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
🇧🇷 Rio Claro
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 | 🇧🇷 Rio Claro | 🇵🇹 Porto |
|---|---|---|
| Local time | 07:19 | 10:19 |
| 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 Rio Claro | — | +3 h |
| IANA zone | America/Sao Paulo | Europe/Lisbon |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:24 | 07:12 |
| Sunset | 18:26 | 17:26 |
| Daylight | 13 h 2 min | 10 h 14 min |
| People on this clock | 201,418 | 231,828 |
Compare Rio Claro with another city
More comparisons with Rio Claro: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Rio Claro and Porto: common questions
How far ahead of Rio Claro is Porto?
Porto is 3 hours ahead of Rio Claro: UTC+0 against UTC−3.
What time is it in Porto at the start of the working day in Rio Claro?
The working day in Rio Claro starts at 9:00 AM; in Porto it is 12:00 PM at that moment.
If it is 6:00 PM in Rio Claro, what time is it in Porto?
At 6:00 PM in Rio Claro, clocks in Porto show 9:00 PM.
When is a good time to call Porto from Rio Claro?
Between 9:00 AM and 3:00 PM in Rio Claro – that is 12:00 PM to 6:00 PM in Porto – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Porto?
From 9:00 PM in Rio Claro 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 Rio Claro.
Does the time gap between Rio Claro and Porto change during the year?
Yes – daylight saving time is used in Porto but not in Rio Claro. From March 28, 2027, Porto will be 4 hours ahead of Rio Claro.
