Istanbul to Cergy time converter
Cergy is 1 hour behind Istanbul. When it is 9:00 AM in Istanbul, it is 8:00 AM in Cergy.
4:08 AM in Istanbul, Wednesday, October 21, 2026
Istanbul to Cergy conversion table
Every hour of today in Istanbul and the matching time in Cergy. Light rows are typical working hours (9:00–18:00).
| Istanbul | Cergy |
|---|---|
| 12:00 AM | 11:00 PM−1 day |
| 1:00 AM | 12:00 AM |
| 2:00 AM | 1:00 AM |
| 3:00 AM | 2:00 AM |
| 4:00 AM | 3:00 AM |
| 5:00 AM | 4:00 AM |
| 6:00 AM | 5:00 AM |
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 11:00 AM | 10:00 AM |
| 12:00 PM | 11:00 AM |
| 1:00 PM | 12:00 PM |
| 2:00 PM | 1:00 PM |
| 3:00 PM | 2:00 PM |
| 4:00 PM | 3:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 7:00 PM | 6:00 PM |
| 8:00 PM | 7:00 PM |
| 9:00 PM | 8:00 PM |
| 10:00 PM | 9:00 PM |
| 11:00 PM | 10:00 PM |
Best time to call or meet
Both sides are at work from 10:00 AM – 6:00 PM in Istanbul (9:00 AM – 5:00 PM in Cergy).
Daylight saving time and the difference
The difference changes during the year because Istanbul and Cergy switch clocks on different dates:
- Oct 21, 2026 – Oct 25, 2026: -1h
- Oct 25, 2026 – Mar 28, 2027: -2h
- Mar 28, 2027 – Oct 21, 2027: -1h
Distance
Istanbul and Cergy are 2,277 km (1,415 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Istanbul and Cergy?
Cergy is 1 hour behind Istanbul.
What time is it in Cergy when it is 9 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 8:00 AM in Cergy.
When is the best time to call Cergy from Istanbul?
Both sides are at work from 10:00 AM – 6:00 PM in Istanbul (9:00 AM – 5:00 PM in Cergy).
Does the time difference between Istanbul and Cergy change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.