Map a place
Four things, and it can already tell you when the sun leaves.
None of this has to be exact. It matters more that the direction is right than that the measurements are, and everything can be corrected on the plan afterwards.
Used for the sun's position and the local climate. Nothing is sent anywhere else, and the geometry answers work without it.
This one matters more than anything else on the page. It decides which hours the sun is in the space at all.
What is actually wrong with it?
No location yet