Catamarca to Porto: time difference

Porto is 3 h ahead of Catamarca. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇦🇷 Catamarca, Argentina

30

6:51 PM · Thursday, November 5, 2026

  • Argentina Standard Time
  • UTC-3
  • Golden hour

☀️ 06:28 · 🌙 19:47 · 13 h 18 min

🇵🇹 Porto, Portugal

30

9:51 PM · Thursday, November 5, 2026

  • Western European Standard Time
  • UTC+0
  • Night

☀️ 07:11 · 🌙 17:27 · 10 h 16 min

+3 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Catamarca 18:51 6:51 PM Porto 21:51 9:51 PM
Catamarca 18:51 6:51 PM Porto 21:51 9:51 PM You –:–
🇦🇷 Catamarca

18:51 6:51 PM

Argentina Standard Time · UTC-3

☀️ 06:28 · 🌙 19:47

🇵🇹 Porto

21:51 9:51 PM

Western European Standard Time · UTC+0

☀️ 07:11 · 🌙 17:27

⇄ Difference

+3 h

Porto is 3 h ahead of Catamarca.

When you, Catamarca and Porto are all at the desk

Pick the working hours below – the window every location shares appears once your time zone is known.

Working hours
🇦🇷 Catamarca
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
🇵🇹 Porto
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 0 12 AM 1 1 AM 2 2 AM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇦🇷 Catamarca 🇵🇹 Porto
Local time 18:51 21:51
Local date Thursday, November 5, 2026 Thursday, November 5, 2026
Time zone Argentina Standard Time Western European Standard Time
UTC offset UTC-3 UTC+0
Offset from Catamarca — +3 h
IANA zone America/Argentina/Catamarca Europe/Lisbon
Daylight saving Not observed On standard time → UTC+1, Mar 28, 02:00
Sunrise 06:28 07:11
Sunset 19:47 17:27
Daylight 13 h 18 min 10 h 16 min
People on this clock 160,058 231,828

Compare Catamarca with another city

More comparisons with Catamarca: the time zones next to it and the far side of the clock.

Catamarca and Porto: common questions

How many hours ahead of Catamarca is Porto?
The clocks in Porto are 3 hours ahead of those in Catamarca (UTC+0 and UTC−3).
What time is it in Porto at the start of the working day in Catamarca?
The working day in Catamarca starts at 9:00 AM; in Porto it is 12:00 PM at that moment.
What time is it in Porto at the end of the working day in Catamarca?
The working day in Catamarca ends at 6:00 PM; in Porto it is 9:00 PM at that moment.
Is there a time when both Catamarca and Porto are at work?
Yes: from 9:00 AM to 3:00 PM in Catamarca (12:00 PM to 6:00 PM in Porto), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Porto?
From 9:00 PM in Catamarca it is already the next day in Porto. The other way round, until 3:00 AM in Porto it is still the previous day in Catamarca.
Is the time difference between Catamarca and Porto the same all year?
No. Only Porto switches to summer time, so the gap changes twice a year. From March 28, 2027, Porto will be 4 hours ahead of Catamarca.
Show times on the 12-hour clock, temperatures in °F and distances in miles?