| Kolkata | Istanbul |
|---|---|
| 5:30 AM | 3:00 AM |
| 6:30 AM | 4:00 AM |
| 7:30 AM | 5:00 AM |
| 8:30 AM | 6:00 AM |
| 9:30 AM | 7:00 AM |
| 10:30 AM | 8:00 AM |
| 11:30 AM | 9:00 AM |
| 12:30 PM | 10:00 AM |
| 1:30 PM | 11:00 AM |
| 2:30 PM | 12:00 PM |
| 3:30 PM | 1:00 PM |
| 4:30 PM | 2:00 PM |
| 5:30 PM | 3:00 PM |
| 6:30 PM | 4:00 PM |
| 7:30 PM | 5:00 PM |
| 8:30 PM | 6:00 PM |
| 9:30 PM | 7:00 PM |
| 10:30 PM | 8:00 PM |
| 11:30 PM | 9:00 PM |
| 12:30 AM | 10:00 PM-1 day |
| 1:30 AM | 11:00 PM-1 day |
| 2:30 AM | 12:00 AM |
| 3:30 AM | 1:00 AM |
| 4:30 AM | 2:00 AM |
AEO Answers
Direct answers for the Kolkata to Istanbul time difference, scheduling calls, and daylight-saving changes.
Istanbul is 2 hours and 30 minutes behind of Kolkata. The exact hour can shift on dates when daylight saving time rules differ between the two cities.
Start with the current Kolkata to Istanbul time difference, then look for overlap between normal business hours in both cities. Check the date because one city may be a day ahead or behind during the overlap.