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.

🇵🇹 Porto, Portugal

53

3:29 PM · Friday, November 6, 2026

  • Western European Standard Time
  • UTC+0
  • Daytime

☀️ 07:12 · 🌙 17:26 · 10 h 14 min

−3 h

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
Porto 15:29 3:29 PM Lomas de Zamora 12:29 12:29 PM You –:–
🇵🇹 Porto

15:29 3:29 PM

Western European Standard Time · UTC+0

☀️ 07:12 · 🌙 17:26

🇦🇷 Lomas de Zamora

12:29 12:29 PM

Argentina Standard Time · UTC-3

☀️ 05:48 · 🌙 19:28

⇄ Difference

−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
  • 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.

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.
Show times on the 12-hour clock, temperatures in °F and distances in miles?