London to San Antonio: time difference
San Antonio 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 07:54 7:54 AM San Antonio 04:54 4:54 AM You –:–
07:54 7:54 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
04:54 4:54 AM
Paraguay Standard Time · UTC-3
☀️ 06:00 · 🌙 19:10
·
−3 h
San Antonio is 3 h behind London.
When you, London and San Antonio 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 Antonio
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 Antonio |
|---|---|---|
| Local time | 07:54 | 04:54 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Greenwich Mean Time | Paraguay Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from London | — | −3 h |
| IANA zone | Europe/London | America/Asuncion |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:03 | 06:00 |
| Sunset | 16:27 | 19:10 |
| Daylight | 9 h 24 min | 13 h 10 min |
| People on this clock | 8,908,083 | 68,127 |
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 Antonio: common questions
How far behind London is San Antonio?
San Antonio is 3 hours behind London: UTC−3 against UTC+0.
What time is it in San Antonio when it is 9:00 AM in London?
When it is 9:00 AM in London, it is 6:00 AM in San Antonio.
What time is it in San Antonio when it is 6:00 PM in London?
When it is 6:00 PM in London, it is 3:00 PM in San Antonio.
Is there a time when both London and San Antonio are at work?
Yes: from 12:00 PM to 6:00 PM in London (9:00 AM to 3:00 PM in San Antonio), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in San Antonio?
Until 3:00 AM in London it is still the previous day in San Antonio. The other way round, from 9:00 PM in San Antonio it is already the next day in London.
Does the time difference between London and San Antonio change?
Yes. The clocks change only in London. From March 28, 2027, San Antonio will be 4 hours behind London.
