To Set your Sundial
- Make sure the spot that your sundial is in is level and has full sun.
- The shadow arm (gnomon) needs to be pointed toward celestial north if you are in the northern hemisphere. This is different than the magnetic north that a compass will show you. To find celestial north you will need to set your sundial at noon. Turn the sundial so the gnomon's shadow falls directly on the sundial's mark that shows where noon is.
- This is known as SUN TIME.
April 15, June 15, September 1, December 24.
Keep in mind that to your sundial noon is always going to be when the sun is highest in the sky.
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