London to Southampton: time difference
Southampton is 3 h behind London. 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.
London 02:23 2:23 AM Southampton 23:23 11:23 PM You –:–
02:23 2:23 AM
Greenwich Mean Time · UTC+0
☀️ 06:42 · 🌙 16:49
23:23 11:23 PM
Atlantic Daylight Time · UTC-3
☀️ 07:30 · 🌙 18:38
·
−3 h
Southampton is 3 h behind London.
When you, London and Southampton 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
🇧🇲 Southampton
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 | 🇧🇲 Southampton |
|---|---|---|
| Local time | 02:23 | 23:23 |
| Local date | Sunday, October 25, 2026 | Saturday, October 24, 2026 |
| Time zone | Greenwich Mean Time | Atlantic Daylight Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from London | — | −3 h |
| IANA zone | Europe/London | Atlantic/Bermuda |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | On summer time → UTC-4, Nov 1, 01:00 |
| Sunrise | 06:42 | 07:30 |
| Sunset | 16:49 | 18:38 |
| Daylight | 10 h 7 min | 11 h 8 min |
| People on this clock | 8,908,083 | 6,260 |
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 Southampton: common questions
How far behind London is Southampton?
Southampton is 3 hours behind London: UTC−3 against UTC+0.
What time is it in Southampton when it is 9:00 AM in London?
When it is 9:00 AM in London, it is 6:00 AM in Southampton.
If it is 6:00 PM in London, what time is it in Southampton?
At 6:00 PM in London, clocks in Southampton show 3:00 PM.
When do working hours in London and in Southampton 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 Southampton.
When does the date change in Southampton compared with London?
The new day starts in Southampton later: until 3:00 AM in London, it is still the previous day there. From 9:00 PM in Southampton, London is already on the next day.
Does the time difference between London and Southampton change?
Yes. Both places change their clocks, but on different dates. From November 1, 2026, Southampton will be 4 hours behind London.
