GoodTime Burger Bát Đàn is a burger restaurant in Hoàn Kiếm, Hà Nội, at 67 Bát Đàn. The menu centers on burgers, with a choice between the Original GoodTime Burger and the Việt Kìu, and sauce selection takes place at the second-floor bar. After ordering, a number rings; customers hand the number to staff and collect their burger. Burgers are small in size.