🇵🇹 Porto, Portugal
53
- Western European Standard Time
- UTC+0
- Twilight
☀️ 07:12 · 🌙 17:26 · 10 h 14 min
Porto to Castro: time difference
Castro 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 06:35 6:35 AM Castro 03:35 3:35 AM You –:–
06:35 6:35 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
03:35 3:35 AM
Chile Summer Time · UTC-3
☀️ 06:34 · 🌙 20:45
·
−3 h
Castro is 3 h behind Porto.
When you, Porto and Castro 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
🇨🇱 Castro
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 | 🇨🇱 Castro |
|---|---|---|
| Local time | 06:35 | 03:35 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Western European Standard Time | Chile Summer Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Porto | — | −3 h |
| IANA zone | Europe/Lisbon | America/Santiago |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | On summer time → UTC-4, Apr 3, 23:00 |
| Sunrise | 07:12 | 06:34 |
| Sunset | 17:26 | 20:45 |
| Daylight | 10 h 14 min | 14 h 11 min |
| People on this clock | 231,828 | 33,417 |
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 Castro: common questions
How many hours behind Porto is Castro?
The clocks in Castro are 3 hours behind those in Porto (UTC−3 and UTC+0).
What time is it in Castro when it is 9:00 AM in Porto?
When it is 9:00 AM in Porto, it is 6:00 AM in Castro.
What time is it in Castro at the end of the working day in Porto?
The working day in Porto ends at 6:00 PM; in Castro it is 3:00 PM at that moment.
When is a good time to call Castro from Porto?
Between 12:00 PM and 6:00 PM in Porto – that is 9:00 AM to 3:00 PM in Castro – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Castro?
Until 3:00 AM in Porto it is still the previous day in Castro. The other way round, from 9:00 PM in Castro it is already the next day in Porto.
Does the time difference between Porto and Castro change?
Yes. Both places change their clocks, but on different dates. From March 28, 2027, Castro will be 4 hours behind Porto.
