Function UtmZone.centralMeridianDegrees

Central meridian in integral degrees.

int centralMeridianDegrees() pure nothrow @property @nogc @safe const;

For a valid zone:

lambda0 = 6 * zone - 183 degrees

Example

Example reading the zone central meridian. 

import geodesy;
assert(UtmZone.fromNumber(33).centralMeridianDegrees == 15);
}