London to Kourou: time difference
Kourou 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 10:46 10:46 AM Kourou 07:46 7:46 AM You –:–
10:46 10:46 AM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
07:46 7:46 AM
French Guiana Time · UTC-3
☀️ 06:17 · 🌙 18:13
·
−3 h
Kourou is 3 h behind London.
When you, London and Kourou 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
🇬🇫 Kourou
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 | 🇬🇫 Kourou |
|---|---|---|
| Local time | 10:46 | 07:46 |
| 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 | 06:17 |
| Sunset | 16:27 | 18:13 |
| Daylight | 9 h 24 min | 11 h 55 min |
| People on this clock | 8,908,083 | 24,903 |
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 Kourou: common questions
How many hours behind London is Kourou?
The clocks in Kourou are 3 hours behind those in London (UTC−3 and UTC+0).
If it is 9:00 AM in London, what time is it in Kourou?
At 9:00 AM in London, clocks in Kourou show 6:00 AM.
What time is it in Kourou when it is 6:00 PM in London?
When it is 6:00 PM in London, it is 3:00 PM in Kourou.
Is there a time when both London and Kourou are at work?
Yes: from 12:00 PM to 6:00 PM in London (9:00 AM to 3:00 PM in Kourou), the working days (9:00 AM–6:00 PM) overlap.
Until what time in London is it still yesterday in Kourou?
Before 3:00 AM in London, the date in Kourou has not changed yet. From 9:00 PM in Kourou, it is already the next day in London.
Is the time difference between London and Kourou the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From March 28, 2027, Kourou will be 4 hours behind London.
