GeoAstro Main Page

Part 6: Sundials
  1. Analemma Sundial
  2. Pie Sundial
  3. Horizontal Sundial
  4. Sun Plotter
  5. Sundial in a Box

Part 1: Sun, Moon, Planets, Stars

Part 2: Sun and Moon Graphics

Part 3: Sun Data

Part 4: Moon

Part 5: Clocks

Part 7: General Astronomy, Miscellaneous

Analemma Sundial

An analemma is the figure-of-eight shape that results if the Sun's position in the sky is recorded at the same time of day throughout the year. The gnomon of a sundial draws a similar figure.

Print the diagram to make your own sundial !

Pie Sundial

Make your own sundial just by folding a sheet of paper.

Horizontal Sundial

Sun Plotter

By this applet you get the (approximate) times of sunrise and sunset from a geometrical construction for any location and date.


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GeoAstro Applet Collection