London to Catamarca: time difference
Catamarca is 3 h behind London. 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.
London 06:38 6:38 AM Catamarca 03:38 3:38 AM You –:–
06:38 6:38 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
03:38 3:38 AM
Argentina Standard Time · UTC-3
☀️ 06:28 · 🌙 19:47
·
−3 h
Catamarca is 3 h behind London.
When you, London and Catamarca are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 London
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
🇦🇷 Catamarca
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 | 🇬🇧 London | 🇦🇷 Catamarca |
|---|---|---|
| Local time | 06:38 | 03:38 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Greenwich Mean Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from London | — | −3 h |
| IANA zone | Europe/London | America/Argentina/Catamarca |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:03 | 06:28 |
| Sunset | 16:27 | 19:47 |
| Daylight | 9 h 24 min | 13 h 19 min |
| People on this clock | 8,908,083 | 160,058 |
Compare London with another city
More comparisons with London: the time zones next to it and the far side of the clock.
Big time differences
London and Catamarca: common questions
What is the time difference between London and Catamarca?
Catamarca is 3 hours behind: it uses UTC−3, while London is on UTC+0.
If it is 9:00 AM in London, what time is it in Catamarca?
At 9:00 AM in London, clocks in Catamarca show 6:00 AM.
What time is it in Catamarca when it is 6:00 PM in London?
When it is 6:00 PM in London, it is 3:00 PM in Catamarca.
When do working hours in London and in Catamarca overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in London, which is 9:00 AM to 3:00 PM in Catamarca.
When is it still the previous day in Catamarca?
Until 3:00 AM in London it is still the previous day in Catamarca. The other way round, from 9:00 PM in Catamarca it is already the next day in London.
Does the time difference between London and Catamarca change?
Yes. The clocks change only in London. From March 28, 2027, Catamarca will be 4 hours behind London.
