What is Magnetic Declination
The Magnetic North Pole which is slightly different from the
True North Pole.
Like most magnetic compass, points to the Magnetic North
Pole. On the contrary, everything measure from a map is
related to the True North Pole.
The angular difference between Magnetic North Pole and
True North Pole is called magnetic declination. Its
amount(degrees and minutes) and direction (easterly and
westerly) depend on where you are in the world.