Porto to La Plata: time difference
La Plata 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 00:58 12:58 AM La Plata 21:58 9:58 PM You –:–
00:58 12:58 AM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
21:58 9:58 PM
Argentina Standard Time · UTC-3
☀️ 05:47 · 🌙 19:26
·
−3 h
La Plata is 3 h behind Porto.
When you, Porto and La Plata 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
🇦🇷 La Plata
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 | 🇦🇷 La Plata |
|---|---|---|
| Local time | 00:58 | 21:58 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 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/Buenos Aires |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 05:47 |
| Sunset | 17:26 | 19:26 |
| Daylight | 10 h 14 min | 13 h 39 min |
| People on this clock | 231,828 | 193,144 |
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 La Plata: common questions
What is the time difference between Porto and La Plata?
La Plata is 3 hours behind: it uses UTC−3, while Porto is on UTC+0.
If it is 9:00 AM in Porto, what time is it in La Plata?
At 9:00 AM in Porto, clocks in La Plata show 6:00 AM.
What time is it in La Plata when it is 6:00 PM in Porto?
When it is 6:00 PM in Porto, it is 3:00 PM in La Plata.
Is there a time when both Porto and La Plata are at work?
Yes: from 12:00 PM to 6:00 PM in Porto (9:00 AM to 3:00 PM in La Plata), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in La Plata?
Until 3:00 AM in Porto it is still the previous day in La Plata. The other way round, from 9:00 PM in La Plata it is already the next day in Porto.
Is the time difference between Porto and La Plata the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, La Plata will be 4 hours behind Porto.
