Question

suppose you are on 30 degree west and your friend is on 20 degree west find out the time differences between extreme places ?

Answer 1

As we know that at the west side the difference between each longitude of 4 minutes. If there is a difference of 10 degree between both of you, then if at your friends place it is 5:00 pm then at your place there would be 4 x 10 = 40 minutes that is 5:40 pm