Dhaka is 2 hours behind Shanghai
Best overlap: 10:00 AM to 6:00 PM in Shanghai is 8:00 AM to 4:00 PM in Dhaka.
The hours that work for both Shanghai and Dhaka are 10:00 AM to 6:00 PM (Shanghai) and 8:00 AM to 4:00 PM (Dhaka). Plenty of room to work with: 8 hours of daily overlap means you can prioritise people's preferences over the clock.