How to install Sun Path addon (Blender 2.8x)? Tutorial for version 2.63 that works with a sunpath package:
https://www.youtube.com/watch?v=lsovmL9hv80
Sunpath version that works with 2.71 here: https://www.ods-engineering.com/tools/ods-studio/download/#4
Python package for performing high-precision astronomy computations here:
https://pypi.org/project/pyephem/

Q: How to install the Sun Path addon in newer versions of Blender?
Manage to find the python scripts here:
https://github.com/ccamara/blender-architecture-scripts/tree/master/addons/sun_position