Dhaka is 1 hour ahead of Islamabad
Best overlap: 8:00 AM to 5:00 PM in Islamabad is 9:00 AM to 6:00 PM in Dhaka.
For a call that suits both sides, look at 8:00 AM to 5:00 PM in Islamabad / 9:00 AM to 6:00 PM in Dhaka. Despite the 1-hour difference, a 9-hour overlap keeps things simple and gives both teams breathing room.