London to San Luis: time difference
San Luis is 3 h behind London. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 San Luis, Argentina
49
- Argentina Standard Time
- UTC-3
- Golden hour
☀️ 06:22 · 🌙 19:57 · 13 h 35 min
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 10:11 10:11 AM San Luis 07:11 7:11 AM You –:–
10:11 10:11 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
07:11 7:11 AM
Argentina Standard Time · UTC-3
☀️ 06:22 · 🌙 19:57
·
−3 h
San Luis is 3 h behind London.
When you, London and San Luis 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
🇦🇷 San Luis
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 | 🇦🇷 San Luis |
|---|---|---|
| Local time | 10:11 | 07:11 |
| 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/San Luis |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:03 | 06:22 |
| Sunset | 16:27 | 19:57 |
| Daylight | 9 h 24 min | 13 h 35 min |
| People on this clock | 8,908,083 | 204,019 |
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 San Luis: common questions
How far behind London is San Luis?
San Luis is 3 hours behind London: UTC−3 against UTC+0.
If it is 9:00 AM in London, what time is it in San Luis?
At 9:00 AM in London, clocks in San Luis show 6:00 AM.
What time is it in San Luis at the end of the working day in London?
The working day in London ends at 6:00 PM; in San Luis it is 3:00 PM at that moment.
When do working hours in London and in San Luis 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 San Luis.
Until what time in London is it still yesterday in San Luis?
Before 3:00 AM in London, the date in San Luis has not changed yet. From 9:00 PM in San Luis, it is already the next day in London.
Does the time difference between London and San Luis change?
Yes. The clocks change only in London. From March 28, 2027, San Luis will be 4 hours behind London.
