How to Read a Sundial The SECRET Case Of Read a Sundial, Sundials have been used to measure time based on the Sun for thousands of years. This simple device can be made up of nothing but a flat dial and a gnomon the pointer that casts the shadow but can still be tricky to read if youre just starting out. By setting up your sundial correctly and completing a few simple calculations you can synchronize your sundial to clock time and know the hour no matter where you are. Place your sundial on a flat horizontal surface. A sundial will only Make sure your sundial will be in direct sunlight all day. This may seem obvious but its crucial If you want to be able to read your sundial from dawn to dusk keep it out in an open unshad Point the gnomon north if youre in the northern hemisphere. Use a compass or look for the North Star at night to find true north. Then rotate the face of your sundial until the gn
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