Moon's prime meridian
nimruzân-e naxosti-ye Mâng
Fr.: méridien origine de la lune
The line connecting the Moon's north pole with its south pole, and passing through the center of the lunar disk. The longitude of the Moon's prime meridian is zero degrees.
Fr.: méridien origine
The meridian at which longitude is defined to be 0Â°. The meridian running through Greenwich.