London to Poissy: time difference
Poissy is 1 h ahead of London. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
London 15:17 3:17 PM Poissy 16:17 4:17 PM You –:–
15:17 3:17 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 17:59
16:17 4:17 PM
Central European Summer Time · UTC+2
☀️ 08:20 · 🌙 18:55
·
+1 h
Poissy is 1 h ahead of London.
When you, London and Poissy 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
🇫🇷 Poissy
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 London | 🇫🇷 Poissy |
|---|---|---|
| Local time | 15:17 | 16:17 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | British Summer Time | Central European Summer Time |
| UTC offset | UTC+1 | UTC+2 |
| Offset from London | — | +1 h |
| IANA zone | Europe/London | Europe/Paris |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:33 | 08:20 |
| Sunset | 17:59 | 18:55 |
| Daylight | 10 h 26 min | 10 h 34 min |
| People on this clock | 8,908,083 | 40,016 |
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 Poissy: common questions
How far ahead of London is Poissy?
Poissy is 1 hour ahead of London: UTC+2 against UTC+1.
If it is 9:00 AM in London, what time is it in Poissy?
At 9:00 AM in London, clocks in Poissy show 10:00 AM.
If it is 6:00 PM in London, what time is it in Poissy?
At 6:00 PM in London, clocks in Poissy show 7:00 PM.
When do working hours in London and in Poissy overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in London, which is 10:00 AM to 6:00 PM in Poissy.
From what time in London is it tomorrow in Poissy?
Once it is 11:00 PM in London, the date in Poissy has already changed. Until 1:00 AM in Poissy, it is still the previous day in London.
Is the time difference between London and Poissy the same all year?
Yes. Both places switch to summer time and back on the same dates, so the gap remains 1 hour.
