Kourou to London: time difference
London is 3 h ahead of Kourou. 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.
Kourou 10:20 10:20 AM London 13:20 1:20 PM You –:–
10:20 10:20 AM
French Guiana Time · UTC-3
☀️ 06:17 · 🌙 18:13
13:20 1:20 PM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
·
+3 h
London is 3 h ahead of Kourou.
When you, Kourou 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
🇬🇫 Kourou
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 | 🇬🇫 Kourou | 🇬🇧 London |
|---|---|---|
| Local time | 10:20 | 13:20 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | French Guiana Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Kourou | — | +3 h |
| IANA zone | America/Cayenne | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 06:17 | 07:03 |
| Sunset | 18:13 | 16:27 |
| Daylight | 11 h 55 min | 9 h 24 min |
| People on this clock | 24,903 | 8,908,083 |
Compare Kourou with another city
More comparisons with Kourou: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Kourou and London: common questions
How far ahead of Kourou is London?
London is 3 hours ahead of Kourou: UTC+0 against UTC−3.
What time is it in London at the start of the working day in Kourou?
The working day in Kourou starts at 9:00 AM; in London it is 12:00 PM at that moment.
If it is 6:00 PM in Kourou, what time is it in London?
At 6:00 PM in Kourou, clocks in London show 9:00 PM.
Is there a time when both Kourou and London are at work?
Yes: from 9:00 AM to 3:00 PM in Kourou (12:00 PM to 6:00 PM in London), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in London?
From 9:00 PM in Kourou it is already the next day in London. The other way round, until 3:00 AM in London it is still the previous day in Kourou.
Does the time difference between Kourou and London change?
Yes. The clocks change only in London. From March 28, 2027, London will be 4 hours ahead of Kourou.
