Istanbul to Castro time converter
Castro is 6 hours behind Istanbul. When it is 9:00 AM in Istanbul, it is 3:00 AM in Castro.
11:23 AM in Istanbul, Wednesday, October 21, 2026
Istanbul to Castro conversion table
Every hour of today in Istanbul and the matching time in Castro. Light rows are typical working hours (9:00–18:00).
| Istanbul | Castro |
|---|---|
| 12:00 AM | 6:00 PM−1 day |
| 1:00 AM | 7:00 PM−1 day |
| 2:00 AM | 8:00 PM−1 day |
| 3:00 AM | 9:00 PM−1 day |
| 4:00 AM | 10:00 PM−1 day |
| 5:00 AM | 11:00 PM−1 day |
| 6:00 AM | 12:00 AM |
| 7:00 AM | 1:00 AM |
| 8:00 AM | 2:00 AM |
| 9:00 AM | 3:00 AM |
| 10:00 AM | 4:00 AM |
| 11:00 AM | 5:00 AM |
| 12:00 PM | 6:00 AM |
| 1:00 PM | 7:00 AM |
| 2:00 PM | 8:00 AM |
| 3:00 PM | 9:00 AM |
| 4:00 PM | 10:00 AM |
| 5:00 PM | 11:00 AM |
| 6:00 PM | 12:00 PM |
| 7:00 PM | 1:00 PM |
| 8:00 PM | 2:00 PM |
| 9:00 PM | 3:00 PM |
| 10:00 PM | 4:00 PM |
| 11:00 PM | 5:00 PM |
Best time to call or meet
Both sides are at work from 3:00 PM – 6:00 PM in Istanbul (9:00 AM – 12:00 PM in Castro).
Daylight saving time and the difference
The difference changes during the year because Istanbul and Castro switch clocks on different dates:
- Oct 21, 2026 – Apr 4, 2027: -6h
- Apr 4, 2027 – Sep 5, 2027: -7h
- Sep 5, 2027 – Oct 21, 2027: -6h
Distance
Istanbul and Castro are 13,838 km (8,599 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between Istanbul and Castro?
Castro is 6 hours behind Istanbul.
What time is it in Castro when it is 9 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 3:00 AM in Castro.
When is the best time to call Castro from Istanbul?
Both sides are at work from 3:00 PM – 6:00 PM in Istanbul (9:00 AM – 12:00 PM in Castro).
Does the time difference between Istanbul and Castro change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.