True North Magnetic North And Grid North: Web magnetic north is the location where the earth’s magnetic field points vertically downward. Magnetic north is quite different. The direction of magnetic north changes with time.
True North Magnetic North And Grid North

Magnetic declination is the angle between magnetic north and true north on the horizontal plane. According to the american practical navigator nathaniel. Web there are three types of the north:
True North Magnetic North And Grid North: According to the american practical navigator nathaniel. Web magnetic north is the location where the earth’s magnetic field points vertically downward. Web star is true north, gn is grid north, mn is magnetic north.