How Do Sundials Work?

Answer

The sundial is used to determine what time of the day it is. Basically, the sun casts a shadow on a triangular pointer called a gnomon. The sun's shadow reveals the hour of the day. Each sundial must be made specifically for the region it is telling the time for as the sun shines differently around the globe.
3 Additional Answers
The sundial is responsible for telling us what time of the day it is, sun casts a shadow on a triangular pointer called a gnomon. The sundial looks like a clock with numbers all the way around it. The sun's shadow reveals the hour of the day. Each sundial must be made specifically for the region it is telling the time for as the sun shines differently around the globe.
The planet earth spins on a axis and revolves around the sun. Because of this rotation, you can tell time. To create a sundial, you find a specific location. You are going to create a circle around a large stick. In the ground write the times of days just like a clock. As the earth spins you will notice that the shadow of the stick will move.
A sundial works by using a stick to create a shadow on the face of the dial. The place where the shadow fell was considered the correct time. You can find more information here: http://www.horology-stuff.com/clocks/sundials.html
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