If a clock on a ship indicates that it is 2:00 P.M.in its home port,while another clock on the ship indicates that it is 12:00 noon at the ship's present location,what is the difference in longitude between the ship's position and its home port?
A)the ship is 2° east of its home port.
B)the ship is 2° west of its home port.
C)the ship is 30° east of its home port.
D)the ship is 30° west of its home port.
E)the ship is 45° west of its home port.

Question

Quizplus · Accepted Answer

Each hour difference in time corresponds to 15° of longitude. Since the ship's clock shows 2 hours earlier than the home port, the ship is 30° west of its home port.

If a Clock on a Ship Indicates That It Is