Porto to Santa Rosa: time difference
Santa Rosa 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 19:56 7:56 PM Santa Rosa 16:56 4:56 PM You –:–
19:56 7:56 PM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
16:56 4:56 PM
Argentina Standard Time · UTC-3
☀️ 06:08 · 🌙 19:55
·
−3 h
Santa Rosa is 3 h behind Porto.
When you, Porto and Santa Rosa 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
🇦🇷 Santa Rosa
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 | 🇦🇷 Santa Rosa |
|---|---|---|
| Local time | 19:56 | 16:56 |
| 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/Salta |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 06:08 |
| Sunset | 17:26 | 19:55 |
| Daylight | 10 h 14 min | 13 h 47 min |
| People on this clock | 231,828 | 116,083 |
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 Santa Rosa: common questions
What is the time difference between Porto and Santa Rosa?
Santa Rosa is 3 hours behind: it uses UTC−3, while Porto is on UTC+0.
What time is it in Santa Rosa at the start of the working day in Porto?
The working day in Porto starts at 9:00 AM; in Santa Rosa it is 6:00 AM at that moment.
What time is it in Santa Rosa at the end of the working day in Porto?
The working day in Porto ends at 6:00 PM; in Santa Rosa it is 3:00 PM at that moment.
Is there a time when both Porto and Santa Rosa are at work?
Yes: from 12:00 PM to 6:00 PM in Porto (9:00 AM to 3:00 PM in Santa Rosa), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Porto is it still yesterday in Santa Rosa?
Before 3:00 AM in Porto, the date in Santa Rosa has not changed yet. From 9:00 PM in Santa Rosa, it is already the next day in Porto.
Is the time difference between Porto and Santa Rosa the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Santa Rosa will be 4 hours behind Porto.
