Question

while crossing the international date line a person will have to add one day when travelling from?

Answer 1

If you move from east to west a day would be added and when moving from West to East a day would be subtracted.

Answer 2

Longitudes are imaginary lines that determine time .they run from from north to south .

When somebody is moving from east to west then time is added .for every one degree a person moves there is an addition of four minutes

When someone is moving from west to east time is subtracted .one loses four minutes for every one degree travelled