Actually plotting the points washes out all those variations and gives a remarkably accurate sundial. Pick a site with good solar exposure - a true East-West wall is ideal, but small …

Download the regional dataset or use the map to download landform data by state, county, or ecoregion. You can browse the files if you'd prefer. The following ten landform position classes …

In this article I show how trigonometry can be used to calculate the positions of the hour lines for vertical and horizontal sundials, with a particular focus on the mathematics underlying a …

The Sundial Totem is an item obtainable from a hidden cave on Sunstone Island. The cave is found by going west from Merlin's house. Depending on the time of day, it quickly changes the …

Make a paper popup sundial first, to test alignment and see how the full scale sundial will look and fit. Hit 'Find Latitude + Longitude' to display world map. Click map at your sundial location then …

2016年6月11日 · You can layout a sundial using only a compass and straight edge (and yes, a ruler and book of tangents so that you can set out the gnomon lines for your latitude). Clem …

Shadows is a software package for calculating and drawing sundials and astrolabes. Its base version is free. The ideal tool if you want to make your first sundial at home. With Shadows, …

2021年5月30日 · For Indiana University outreach shecreated a video "The Garden Sundial - Much More than an Ornament" that presents a brief history of the sundial, how they work, and where …

Make a beautiful sundial from a set of inexpensive embroidery hoops, large or small. Templates for a cube dial for latitudes from 50° to 60°. If you would like to start by downloading a sheet …

A sundial tells the time of day from the position of the shadow of its gnomon as cast by the sun. The gnomon is usually raised parallel to Earth’s axis of rotation, so its shadow will always fall …