EarthDial Calculator
Enter your latitude below, then click on the "Calculate!" button. The EarthDial Calculator will calculate all of the angles and distances that you need to construct the lines on your EarthDial.
To find your latitude and longitude, consult a good map or visit:
Entire world: http://www.getty.edu/research/conducting_research/vocabularies/tgn/
Entire world except USA: http://www.calle.com/world/index.html
USA Only: http://www.census.gov/cgi-bin/gazetteer
CAUTION: This table will not work well for latitudes smaller than 4 degrees.