San Juan to London: time difference
London is 3 h ahead of San Juan. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
San Juan 11:17 11:17 AM London 14:17 2:17 PM You –:–
11:17 11:17 AM
Argentina Standard Time · UTC-3
☀️ 06:34 · 🌙 20:03
14:17 2:17 PM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
·
+3 h
London is 3 h ahead of San Juan.
When you, San Juan and London are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 San Juan
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
🇬🇧 London
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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 San Juan | 🇬🇧 London |
|---|---|---|
| Local time | 11:17 | 14:17 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Argentina Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from San Juan | — | +3 h |
| IANA zone | America/Argentina/San Juan | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 06:34 | 07:03 |
| Sunset | 20:03 | 16:27 |
| Daylight | 13 h 29 min | 9 h 24 min |
| People on this clock | 522,029 | 8,908,083 |
Compare San Juan with another city
More comparisons with San Juan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Juan and London: common questions
How many hours ahead of San Juan is London?
The clocks in London are 3 hours ahead of those in San Juan (UTC+0 and UTC−3).
What time is it in London at the start of the working day in San Juan?
The working day in San Juan starts at 9:00 AM; in London it is 12:00 PM at that moment.
What time is it in London at the end of the working day in San Juan?
The working day in San Juan ends at 6:00 PM; in London it is 9:00 PM at that moment.
When is a good time to call London from San Juan?
Between 9:00 AM and 3:00 PM in San Juan – that is 12:00 PM to 6:00 PM in London – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in London compared with San Juan?
The new day starts in London earlier: at 9:00 PM in San Juan it is already midnight there. Until 3:00 AM in London, San Juan is still on the previous day.
Does the time gap between San Juan and London change during the year?
Yes – daylight saving time is used in London but not in San Juan. From March 28, 2027, London will be 4 hours ahead of San Juan.
