A 2D slippy map that shows sun and shadow around the world.
Today’s sunset around Puget Sound: https://shademap.app/#47.89056,-122.66785,7z,1635813675213t
Today’s sunset around Puget Sound: https://shademap.app/#47.89056,-122.66785,7z,1635813675213t
I hike a lot. Figuring out exactly where & when sunset will hit is next to impossible in mountainous terrain.
Feature request, if you’ll entertain one: instead of a 1-bit sun vs shade, show a heatmap of sun angle. Think “interactive golden hour map” for photographers.
Seems like you've already performed most of the necessary calculations here.