Town Y? W|12:00noon ←(substract) Longitude(0^o)|E 6:00pm Time difference = 6:00pm - 12:00pm = 6hours Recall: 15o ≡ 1 hour therefore 6hours ≡ (15 x 60)o= 90o Arrow is pointing to the west;hence, the latitude of Town Y is 90oW