Porto to Lomas de Zamora: time difference
Lomas de Zamora is 3 h behind Porto. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Lomas de Zamora, Argentina
53
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 05:48 · 🌙 19:28 · 13 h 40 min
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Porto 15:29 3:29 PM Lomas de Zamora 12:29 12:29 PM You –:–
15:29 3:29 PM
Western European Standard Time · UTC+0
☀️ 07:12 · 🌙 17:26
12:29 12:29 PM
Argentina Standard Time · UTC-3
☀️ 05:48 · 🌙 19:28
·
−3 h
Lomas de Zamora is 3 h behind Porto.
When you, Porto and Lomas de Zamora 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
🇦🇷 Lomas de Zamora
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 | 🇦🇷 Lomas de Zamora |
|---|---|---|
| Local time | 15:29 | 12:29 |
| 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/Buenos Aires |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:12 | 05:48 |
| Sunset | 17:26 | 19:28 |
| Daylight | 10 h 14 min | 13 h 40 min |
| People on this clock | 231,828 | 616,279 |
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 Lomas de Zamora: common questions
How many hours behind Porto is Lomas de Zamora?
The clocks in Lomas de Zamora 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 Lomas de Zamora?
At 9:00 AM in Porto, clocks in Lomas de Zamora show 6:00 AM.
What time is it in Lomas de Zamora when it is 6:00 PM in Porto?
When it is 6:00 PM in Porto, it is 3:00 PM in Lomas de Zamora.
When is a good time to call Lomas de Zamora from Porto?
Between 12:00 PM and 6:00 PM in Porto – that is 9:00 AM to 3:00 PM in Lomas de Zamora – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Lomas de Zamora compared with Porto?
The new day starts in Lomas de Zamora later: until 3:00 AM in Porto, it is still the previous day there. From 9:00 PM in Lomas de Zamora, Porto is already on the next day.
Is the time difference between Porto and Lomas de Zamora the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Lomas de Zamora will be 4 hours behind Porto.