Les Ulis to Istanbul: time difference
Istanbul is 1 h ahead of Les Ulis. 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.
Les Ulis 04:03 4:03 AM Istanbul 05:03 5:03 AM You –:–
04:03 4:03 AM
Central European Summer Time · UTC+2
☀️ 08:13 · 🌙 19:02
05:03 5:03 AM
GMT+03:00 · UTC+3
☀️ 07:17 · 🌙 18:24
·
+1 h
Istanbul is 1 h ahead of Les Ulis.
When you, Les Ulis and Istanbul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇫🇷 Les Ulis
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
🇹🇷 Istanbul
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 | 🇫🇷 Les Ulis | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 04:03 | 05:03 |
| Local date | Friday, October 16, 2026 | Friday, October 16, 2026 |
| Time zone | Central European Summer Time | GMT+03:00 |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Les Ulis | — | +1 h |
| IANA zone | Europe/Paris | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 08:13 | 07:17 |
| Sunset | 19:02 | 18:24 |
| Daylight | 10 h 49 min | 11 h 7 min |
| People on this clock | 25,253 | 15,701,602 |
Compare Les Ulis with another city
More comparisons with Les Ulis: the time zones next to it and the far side of the clock.
Big time differences
Les Ulis and Istanbul: common questions
What is the time difference between Les Ulis and Istanbul?
Istanbul is 1 hour ahead: it uses UTC+3, while Les Ulis is on UTC+2.
What time is it in Istanbul when it is 9:00 AM in Les Ulis?
When it is 9:00 AM in Les Ulis, it is 10:00 AM in Istanbul.
What time is it in Istanbul when it is 6:00 PM in Les Ulis?
When it is 6:00 PM in Les Ulis, it is 7:00 PM in Istanbul.
When do working hours in Les Ulis and in Istanbul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Les Ulis, which is 10:00 AM to 6:00 PM in Istanbul.
When is it already the next day in Istanbul?
From 11:00 PM in Les Ulis it is already the next day in Istanbul. The other way round, until 1:00 AM in Istanbul it is still the previous day in Les Ulis.
Does the time difference between Les Ulis and Istanbul change?
Yes. The clocks change only in Les Ulis. From October 25, 2026, Istanbul will be 2 hours ahead of Les Ulis.
