Porto to San Rafael: time difference
San Rafael is 3 h behind Porto. 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.
Porto 05:33 5:33 AM San Rafael 02:33 2:33 AM You –:–
05:33 5:33 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
02:33 2:33 AM
Argentina Standard Time · UTC-3
☀️ 06:28 · 🌙 20:08
·
−3 h
San Rafael is 3 h behind Porto.
When you, Porto and San Rafael 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
🇦🇷 San Rafael
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 | 🇦🇷 San Rafael |
|---|---|---|
| Local time | 05:33 | 02:33 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Western European Standard Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Porto | — | −3 h |
| IANA zone | Europe/Lisbon | America/Argentina/Mendoza |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 06:28 |
| Sunset | 17:26 | 20:08 |
| Daylight | 10 h 14 min | 13 h 40 min |
| People on this clock | 231,828 | 118,850 |
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 San Rafael: common questions
What is the time difference between Porto and San Rafael?
San Rafael is 3 hours behind: it uses UTC−3, while Porto is on UTC+0.
What time is it in San Rafael at the start of the working day in Porto?
The working day in Porto starts at 9:00 AM; in San Rafael it is 6:00 AM at that moment.
What time is it in San Rafael at the end of the working day in Porto?
The working day in Porto ends at 6:00 PM; in San Rafael it is 3:00 PM at that moment.
Is there a time when both Porto and San Rafael are at work?
Yes: from 12:00 PM to 6:00 PM in Porto (9:00 AM to 3:00 PM in San Rafael), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in San Rafael?
Until 3:00 AM in Porto it is still the previous day in San Rafael. The other way round, from 9:00 PM in San Rafael it is already the next day in Porto.
Does the time difference between Porto and San Rafael change?
Yes. The clocks change only in Porto. From March 28, 2027, San Rafael will be 4 hours behind Porto.