London to French Guiana: time difference
French Guiana 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 17:55 5:55 PM French Guiana 14:55 2:55 PM You –:–
17:55 5:55 PM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
14:55 2:55 PM
French Guiana Time · UTC-3
☀️ 06:16 · 🌙 18:12
·
−3 h
French Guiana is 3 h behind London.
When you, London and French Guiana 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
🇬🇫 French Guiana
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 | 🇬🇫 French Guiana |
|---|---|---|
| Local time | 17:55 | 14:55 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Greenwich Mean Time | French Guiana Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from London | — | −3 h |
| IANA zone | Europe/London | America/Cayenne |
| Daylight saving | On standard time → UTC+1, Mar 28, 02:00 | Not observed |
| Sunrise | 07:03 | 06:16 |
| Sunset | 16:27 | 18:12 |
| Daylight | 9 h 24 min | 11 h 56 min |
| People on this clock | 8,908,083 | 288,382 |
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 French Guiana: common questions
What is the time difference between London and French Guiana?
French Guiana is 3 hours behind: it uses UTC−3, while London is on UTC+0.
What time is it in French Guiana when it is 9:00 AM in London?
When it is 9:00 AM in London, it is 6:00 AM in French Guiana.
What time is it in French Guiana when it is 6:00 PM in London?
When it is 6:00 PM in London, it is 3:00 PM in French Guiana.
When is a good time to call French Guiana from London?
Between 12:00 PM and 6:00 PM in London – that is 9:00 AM to 3:00 PM in French Guiana – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in French Guiana compared with London?
The new day starts in French Guiana later: until 3:00 AM in London, it is still the previous day there. From 9:00 PM in French Guiana, London is already on the next day.
Is the time difference between London and French Guiana the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From March 28, 2027, French Guiana will be 4 hours behind London.
