Porto to Cabo Frio: time difference
Cabo Frio is 3 h behind Porto. 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.
Porto 13:00 1:00 PM Cabo Frio 10:00 10:00 AM You –:–
13:00 1:00 PM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
10:00 10:00 AM
Brasilia Standard Time · UTC-3
☀️ 05:01 · 🌙 18:04
·
−3 h
Cabo Frio is 3 h behind Porto.
When you, Porto and Cabo Frio are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Porto
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
🇧🇷 Cabo Frio
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 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Porto | 🇧🇷 Cabo Frio |
|---|---|---|
| Local time | 13:00 | 10:00 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Western European Standard Time | Brasilia Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Porto | — | −3 h |
| IANA zone | Europe/Lisbon | America/Sao Paulo |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 05:01 |
| Sunset | 17:26 | 18:04 |
| Daylight | 10 h 14 min | 13 h 3 min |
| People on this clock | 231,828 | 222,161 |
Compare Porto with another city
More comparisons with Porto: the time zones next to it and the far side of the clock.
Big time differences
Porto and Cabo Frio: common questions
How many hours behind Porto is Cabo Frio?
The clocks in Cabo Frio are 3 hours behind those in Porto (UTC−3 and UTC+0).
If it is 9:00 AM in Porto, what time is it in Cabo Frio?
At 9:00 AM in Porto, clocks in Cabo Frio show 6:00 AM.
If it is 6:00 PM in Porto, what time is it in Cabo Frio?
At 6:00 PM in Porto, clocks in Cabo Frio show 3:00 PM.
When do working hours in Porto and in Cabo Frio overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Porto, which is 9:00 AM to 3:00 PM in Cabo Frio.
When is it still the previous day in Cabo Frio?
Until 3:00 AM in Porto it is still the previous day in Cabo Frio. The other way round, from 9:00 PM in Cabo Frio it is already the next day in Porto.
Does the time difference between Porto and Cabo Frio change?
Yes. The clocks change only in Porto. From March 28, 2027, Cabo Frio will be 4 hours behind Porto.
