Hell.
The line you are probably asking about is at 23.5 degrees South latitude, and it is called the Tropic of Capricorn.
There is a major line of latitude located at 23.5 degrees south latitude, called the Tropic of Capricorn.
Tropic of Capricorn
That's roughly the latitude of the imaginary line called the "Tropic of Capricorn".
A line of latitude is called a parallel. It represents the distance north or south of the equator and runs east-west around the Earth. The equator is the line of latitude that divides the Earth into the Northern Hemisphere and the Southern Hemisphere.
No line of latitude is a north/south line. A move to the north or south is a change of latitude.
The latitude at the center of Wellington is about 41.3° South. That's south of the 40 degrees South line of Latitude.
That latitude has no special designation that we're aware of. It's just the "45th parallel" south.
the line 0 degrees latitude is called the
tropic of capricorn
Wellington's latitude is 41 degrees 17 minutes South, so therefore is south of the 40 degrees south line
The Antarctic Circle is located at approximately 66.5 degrees south latitude.