Sundials - World's Oldest Clocks

North American Sundial Society

This page requires a browser that supports JAVASCRIPT and CANVAS such as Firefox, Chrome, and Safari. These browsers have JAVASCRIPT enabled by default. Early versions of Internet Explorer (IE) did not support canvas, so make sure you are using a modern (recent upgrade) browser, including Internet Explorer. The best way to find out if your browser is capable of drawing a sundial is to try drawing a sundial below:

To draw your sundial, convert your latitude into a decimal number for entry. For example: 38o45' N would be entered as 38.75 Then click the draw button to see the resulting sundiall.

When your sundial is drawn, print out the webpage and paste the dial face onto thin cardboard such as from an old cereal box. Fold the gnomon in half and paste it together. Be careful to first fold the bottom tabs outward. Once the gnomon is folded and glued, apply paste to the tabs and stick the gnomon onto the base. Make sure that the gnomon high end face toward noon ( XII ) on the dial base. Ready to go? The Clear Button erases the dial and allows you to enter a different latitude.

Enter Your Latitude:      

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