Istanbul to Saint-Leu: time difference
Saint-Leu is 1 h ahead of Istanbul. 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.
Istanbul 16:12 4:12 PM Saint-Leu 17:12 5:12 PM You –:–
16:12 4:12 PM
GMT+03:00 · UTC+3
☀️ 07:24 · 🌙 18:15
17:12 5:12 PM
Réunion Time · UTC+4
☀️ 05:43 · 🌙 18:25
·
+1 h
Saint-Leu is 1 h ahead of Istanbul.
When you, Istanbul and Saint-Leu are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
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
🇷🇪 Saint-Leu
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 | 🇹🇷 Istanbul | 🇷🇪 Saint-Leu |
|---|---|---|
| Local time | 16:12 | 17:12 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | GMT+03:00 | Réunion Time |
| UTC offset | UTC+3 | UTC+4 |
| Offset from Istanbul | — | +1 h |
| IANA zone | Europe/Istanbul | Indian/Reunion |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:24 | 05:43 |
| Sunset | 18:15 | 18:25 |
| Daylight | 10 h 52 min | 12 h 42 min |
| People on this clock | 15,701,602 | 34,893 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Saint-Leu: common questions
What is the time difference between Istanbul and Saint-Leu?
Saint-Leu is 1 hour ahead: it uses UTC+4, while Istanbul is on UTC+3.
What time is it in Saint-Leu at the start of the working day in Istanbul?
The working day in Istanbul starts at 9:00 AM; in Saint-Leu it is 10:00 AM at that moment.
What time is it in Saint-Leu when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 7:00 PM in Saint-Leu.
Is there a time when both Istanbul and Saint-Leu are at work?
Yes: from 9:00 AM to 5:00 PM in Istanbul (10:00 AM to 6:00 PM in Saint-Leu), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Saint-Leu?
From 11:00 PM in Istanbul it is already the next day in Saint-Leu. The other way round, until 1:00 AM in Saint-Leu it is still the previous day in Istanbul.
Does the time difference between Istanbul and Saint-Leu change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
