I've been a photographer for decades, and for a long time I've wanted to make an app that will tell me when the sun's light will directly hit the/a surface of a building.

This weekend I found the time to build and launch a thing that does that. Features include:

 - Enter an address, get back a map with calendar details and some dataviz on when the sun is going to hit each wall - Save buildings, walls, and dates in a Planner, with a Calendar feed - Analyze the sun between two points along a street (currently limited to 5km along a single street) - Share links to what you've found
Sources used include: OpenStreetMap, Nominatim, Photon and the US Census Bureau geocoder. Sun positions come from the NOAA solar position algorithm, computed in-browser. Cloud forecasts from Open-Meteo.

I hope you find it useful, and welcome feedback!

Comments URL: https://news.ycombinator.com/item?id=50059605

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