The short version
An interactive map for visualizing terrain, building, and tree shadows by time and date.
From the HackerLinks archive
Shade Map
An interactive map for visualizing terrain, building, and tree shadows by time and date.
At a glance:
First seen:2026-08-13
Last seen:2026-08-13
Times seen:1
Website:shademap.app
Why it caught our attention
It has clear practical use cases, including planning solar-panel placement and checking sight lines.
Where it surfaced on Hacker News
2026-08-13
“My friends and I used this for a camping party's solar panel's placement (for charging a battery).”
km3r · recommendation · first hand use
Direct HN comment
Shade Map