San Antonio to London: time difference
London is 3 h ahead of San Antonio. 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 Antonio 00:53 12:53 AM London 03:53 3:53 AM You –:–
00:53 12:53 AM
Paraguay Standard Time · UTC-3
☀️ 06:00 · 🌙 19:10
03:53 3:53 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
·
+3 h
London is 3 h ahead of San Antonio.
When you, San Antonio 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 Antonio
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 Antonio | 🇬🇧 London |
|---|---|---|
| Local time | 00:53 | 03:53 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Paraguay Standard Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from San Antonio | — | +3 h |
| IANA zone | America/Asuncion | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 06:00 | 07:03 |
| Sunset | 19:10 | 16:27 |
| Daylight | 13 h 10 min | 9 h 24 min |
| People on this clock | 68,127 | 8,908,083 |
Compare San Antonio with another city
More comparisons with San Antonio: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Antonio and London: common questions
How many hours ahead of San Antonio is London?
The clocks in London are 3 hours ahead of those in San Antonio (UTC+0 and UTC−3).
What time is it in London when it is 9:00 AM in San Antonio?
When it is 9:00 AM in San Antonio, it is 12:00 PM in London.
What time is it in London when it is 6:00 PM in San Antonio?
When it is 6:00 PM in San Antonio, it is 9:00 PM in London.
When do working hours in San Antonio and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in San Antonio, which is 12:00 PM to 6:00 PM in London.
When does the date change in London compared with San Antonio?
The new day starts in London earlier: at 9:00 PM in San Antonio it is already midnight there. Until 3:00 AM in London, San Antonio is still on the previous day.
Does the time difference between San Antonio and London change?
Yes. The clocks change only in London. From March 28, 2027, London will be 4 hours ahead of San Antonio.