Universal Sundial - Wolfram Demonstrations Project

Universal Sundial - Wolfram Demonstrations Project: In a horizontal sundial the angle of the gnomon the brown triangle is equal to the latitude For a given latitude the distribution of the hourlabeled lines is invariant whatever the day of the year however sunrise and sunset times change during the year due to the change in declinationThe sundial is oriented toward North in the Northern Hemisphere and toward South in the Southern HemisphereEnter