A sundial is an historic timekeeping system that makes use of the place of the solar to point the time of day. It consists of a flat plate or dial with a pointer or gnomon that casts a shadow. Because the solar strikes throughout the sky, the shadow strikes across the dial, indicating the hour.
Sundials have been used for hundreds of years to inform time, and they’re nonetheless common at this time as ornamental objects or as a solution to be taught in regards to the motion of the solar. They’re comparatively simple to make use of, however there are some things you must know to learn a sundial precisely.