Sun Path Calc & Dr. Andrew Marsh
So cool.
PD: 3D Sun-Path
A dynamic 3D Sun-path experiment.
Dr.A.J.Marsh
Visit its author's website for a lot more cool stuff.
AJM - Home
Andrew Marsh’s personal website
Dr. Andrew J. Marsh
Meeting Planner
PD: Meeting Planner
Day/night overlaid on world map.
Dr.A.J.Marsh