Sun and shade tools

Work out where the sun will be over your patio or window at any hour of the year, and size the awning, sail, umbrella or blind that keeps it off. The sun's position comes from the US National Oceanic and Atmospheric Administration's equations; everything runs in your browser and nothing you type leaves it.

Games

General information for planning, not professional advice. Sizes, loads and savings depend on your site and the product: follow the maker's instructions and local building rules, and have a large or wall-mounted structure checked by a qualified installer.