Human Sandial
Parallel Ellipse Vesica fish imaginary lines
The imaginary lines
When you trun you head
You make two Vesica fish
One in front of you one at the back of you
The front vesica is 0 W to N 9
The back vesica is 0 E to N 9
Or the Back is
0W to S9 Left arm
Or Even
0E to S9 Right arm