Your first step in the use of this tool is to set the Latitude and Longitude of the desired location - making sure to first set the TimeZone value as this will make entering the longitude easier. In addition to the 1/2 hourly Sun positions throughout the day, it also calculates Sunrise / Sunset times, the Declination and theEquation of Time. Select the Calculate button to perform the calculation and populate the list.
- Other Solar Position Calculators
- NASA Information on Sundials