Garmaine Staff asked 3 years ago

Thai Lion Air, February 10, Monday 23.50 to 03.20 from Shanghai to DMK (Bangkok Don Mueang Int. Airport), then 19 hours transit, then February 11, 22.00 to 00.25 from DMK to Dhaka (Hazrat Shahjalal Int. Airport).

I'm a Bangladeshi citizen; do I need transit visa if I don't go outside the airport?