Dhaka and Kolkata are in the same timezone. You can call anytime during standard business hours (9 AM – 5 PM). No timezone conversion needed.
Call between 9.5 AM–5 PM Dhaka time. This is 9 AM–4.5 PM in Kolkata.
Dhaka and Kolkata share 7.5 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Kolkata from Dhaka is 9.5 AM–5 PM Dhaka time. This gives you 7.5 hours of business hours overlap.
Dhaka and Kolkata are in the same timezone.
Avoid calling before 7.5 AM your time (they haven't started their day).
Yes, Dhaka and Kolkata have approximately 7.5 hours of overlapping business hours per day.
You have 7.5 hours of business hours overlap — scheduling calls is easy.
Both in business hours Both awake One outside comfort zone Sleeping hours
Dhaka: 9.5 AM–5 PM GMT+6
Kolkata: 9 AM–4.5 PM GMT+5:30
| Dhaka (GMT+6) | Kolkata (GMT+5:30) | Status |
|---|---|---|
| 7 AM | 7 AM | 🟡 They're awake |
| 8 AM | 8 AM | 🟡 They're awake |
| 9 AM | 9 AM | ✅ Both in office |
| 10 AM | 10 AM | ✅ Both in office |
| 11 AM | 11 AM | ✅ Both in office |
| 12 PM | 12 PM | ✅ Both in office |
| 1 PM | 1 PM | ✅ Both in office |
| 2 PM | 2 PM | ✅ Both in office |
| 3 PM | 3 PM | ✅ Both in office |
| 4 PM | 4 PM | ✅ Both in office |
| 5 PM | 5 PM | 🟡 They're awake |
| 6 PM | 6 PM | 🟡 They're awake |
| 7 PM | 7 PM | 🟡 They're awake |
| 8 PM | 8 PM | 🟡 They're awake |
| 9 PM | 9 PM | 🟡 They're awake |