Saint-Leu to London: time difference
London is 4 h behind Saint-Leu. 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.
Saint-Leu 16:56 4:56 PM London 12:56 12:56 PM You –:–
16:56 4:56 PM
Réunion Time · UTC+4
☀️ 05:34 · 🌙 18:32
12:56 12:56 PM
Greenwich Mean Time · UTC+0
☀️ 07:03 · 🌙 16:27
·
−4 h
London is 4 h behind Saint-Leu.
When you, Saint-Leu 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
🇷🇪 Saint-Leu
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
20 8 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇷🇪 Saint-Leu | 🇬🇧 London |
|---|---|---|
| Local time | 16:56 | 12:56 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Réunion Time | Greenwich Mean Time |
| UTC offset | UTC+4 | UTC+0 |
| Offset from Saint-Leu | — | −4 h |
| IANA zone | Indian/Reunion | Europe/London |
| Daylight saving | Not observed | On standard time → UTC+1, Mar 28, 02:00 |
| Sunrise | 05:34 | 07:03 |
| Sunset | 18:32 | 16:27 |
| Daylight | 12 h 58 min | 9 h 24 min |
| People on this clock | 34,893 | 8,908,083 |
Compare Saint-Leu with another city
More comparisons with Saint-Leu: the time zones next to it and the far side of the clock.
Big time differences
Saint-Leu and London: common questions
How many hours behind Saint-Leu is London?
The clocks in London are 4 hours behind those in Saint-Leu (UTC+0 and UTC+4).
If it is 9:00 AM in Saint-Leu, what time is it in London?
At 9:00 AM in Saint-Leu, clocks in London show 5:00 AM.
If it is 6:00 PM in Saint-Leu, what time is it in London?
At 6:00 PM in Saint-Leu, clocks in London show 2:00 PM.
When do working hours in Saint-Leu and in London overlap?
Working hours (9:00 AM–6:00 PM) overlap from 1:00 PM to 6:00 PM in Saint-Leu, which is 9:00 AM to 2:00 PM in London.
When does the date change in London compared with Saint-Leu?
The new day starts in London later: until 4:00 AM in Saint-Leu, it is still the previous day there. From 8:00 PM in London, Saint-Leu is already on the next day.
Does the time difference between Saint-Leu and London change?
Yes. The clocks change only in London. From March 28, 2027, London will be 3 hours behind Saint-Leu.