ShadowFacts is a tool for photographers, architects, gardeners, backpackers, river runners or anyone interested in the position of the sun.

Photographers will use ShadowFacts to determine when the best shadows and angles of light are available.

Architects and gardeners will use ShadowFacts to determine which spots will be sunny or shady throughout the year.

Backpackers and river runners will use ShadowFacts to determine where and when the sun will come up and when it will hit camp.