London to Rosario: time difference
Rosario 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 12:57 12:57 PM Rosario 09:57 9:57 AM You –:–
12:57 12:57 PM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
09:57 9:57 AM
Argentina Standard Time · UTC-3
☀️ 06:00 · 🌙 19:34
·
−3 h
Rosario is 3 h behind London.
When you, London and Rosario 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
🇦🇷 Rosario
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 | 🇦🇷 Rosario |
|---|---|---|
| Local time | 12:57 | 09:57 |
| 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/Cordoba |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:03 | 06:00 |
| Sunset | 16:27 | 19:34 |
| Daylight | 9 h 24 min | 13 h 34 min |
| People on this clock | 8,908,083 | 1,029,619 |
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 Rosario: common questions
How many hours behind London is Rosario?
The clocks in Rosario are 3 hours behind those in London (UTC−3 and UTC+0).
What time is it in Rosario at the start of the working day in London?
The working day in London starts at 9:00 AM; in Rosario it is 6:00 AM at that moment.
What time is it in Rosario at the end of the working day in London?
The working day in London ends at 6:00 PM; in Rosario it is 3:00 PM at that moment.
When do working hours in London and in Rosario 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 Rosario.
When is it still the previous day in Rosario?
Until 3:00 AM in London it is still the previous day in Rosario. The other way round, from 9:00 PM in Rosario it is already the next day in London.
Does the time difference between London and Rosario change?
Yes. The clocks change only in London. From March 28, 2027, Rosario will be 4 hours behind London.
