When I was a kid I used to take a bus from East to West coast of Italy in Summer. Despite my best efforts to calculate the side with minimum sun exposure, I alw

When I was a kid I used to take a bus from East to West coast of Italy in Summer. Despite my best efforts to calculate the side with minimum sun exposure, I always ended up on the sunny side. This also happened when doing the opposite of my predictions. An app like this would have helped me a lot, but it would be nice to have the possibility customize the route.