Respuesta :
if they leave at 4 pm it is 5 hours ahead so it will be 7 pm
BST is 5hr ahead of EST.
The flight lasts 4.5hr.
The time when he arrives in London will be 9:30 ahead of the starting time.
4:00pm + 9:30 = 01:30, military time.
The flight lasts 4.5hr.
The time when he arrives in London will be 9:30 ahead of the starting time.
4:00pm + 9:30 = 01:30, military time.