The best time to call Istanbul from Kolkata is 11.5 AM–5 PM your time (Kolkata). Istanbul, Turkey is 3 hours behind Kolkata, India. You have 5.5 hours of business hours overlap for scheduling calls.
Call between 11.5 AM–5 PM Kolkata time. This is 9 AM–2.5 PM in Istanbul.
Kolkata and Istanbul share 5.5 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Istanbul from Kolkata is 11.5 AM–5 PM Kolkata time. This gives you 5.5 hours of business hours overlap.
Istanbul is 3 hours behind Kolkata.
Avoid calling before 9.5 AM your time (they haven't started their day).
Yes, Kolkata and Istanbul have approximately 5.5 hours of overlapping business hours per day.
You have 5.5 hours of overlap. Call during 11.5 AM–5 PM your time for the best results.
Both in business hours Both awake One outside comfort zone Sleeping hours
Kolkata: 11.5 AM–5 PM GMT+5:30
Istanbul: 9 AM–2.5 PM GMT+3
| Kolkata (GMT+5:30) | Istanbul (GMT+3) | Status |
|---|---|---|
| 7 AM | 4 AM | 🔴 They're sleeping |
| 8 AM | 5 AM | 🔴 They're sleeping |
| 9 AM | 6 AM | 🔴 They're sleeping |
| 10 AM | 7 AM | 🟡 They're awake |
| 11 AM | 8 AM | 🟡 They're awake |
| 12 PM | 9 AM | ✅ Both in office |
| 1 PM | 10 AM | ✅ Both in office |
| 2 PM | 11 AM | ✅ Both in office |
| 3 PM | 12 PM | ✅ Both in office |
| 4 PM | 1 PM | ✅ Both in office |
| 5 PM | 2 PM | 🟡 They're awake |
| 6 PM | 3 PM | 🟡 They're awake |
| 7 PM | 4 PM | 🟡 They're awake |
| 8 PM | 5 PM | 🟡 They're awake |
| 9 PM | 6 PM | 🟡 They're awake |