Istanbul to Cergy: time difference
Cergy is 1 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 18:41 6:41 PM Cergy 17:41 5:41 PM You –:–
18:41 6:41 PM
GMT+03:00 · UTC+3
☀️ 07:18 · 🌙 18:22
17:41 5:41 PM
Central European Summer Time · UTC+2
☀️ 08:16 · 🌙 19:00
·
−1 h
Cergy is 1 h behind Istanbul.
When you, Istanbul and Cergy 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
🇫🇷 Cergy
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 21 9 PM 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇫🇷 Cergy |
|---|---|---|
| Local time | 18:41 | 17:41 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | GMT+03:00 | Central European Summer Time |
| UTC offset | UTC+3 | UTC+2 |
| Offset from Istanbul | — | −1 h |
| IANA zone | Europe/Istanbul | Europe/Paris |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 07:18 | 08:16 |
| Sunset | 18:22 | 19:00 |
| Daylight | 11 h 5 min | 10 h 45 min |
| People on this clock | 15,701,602 | 68,348 |
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 Cergy: common questions
How many hours behind Istanbul is Cergy?
The clocks in Cergy are 1 hour behind those in Istanbul (UTC+2 and UTC+3).
If it is 9:00 AM in Istanbul, what time is it in Cergy?
At 9:00 AM in Istanbul, clocks in Cergy show 8:00 AM.
If it is 6:00 PM in Istanbul, what time is it in Cergy?
At 6:00 PM in Istanbul, clocks in Cergy show 5:00 PM.
When is a good time to call Cergy from Istanbul?
Between 10:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 5:00 PM in Cergy – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Cergy?
Until 1:00 AM in Istanbul it is still the previous day in Cergy. The other way round, from 11:00 PM in Cergy it is already the next day in Istanbul.
Is the time difference between Istanbul and Cergy the same all year?
No. Only Cergy switches to summer time, so the gap changes twice a year. From October 25, 2026, Cergy will be 2 hours behind Istanbul.
