A sundial is an historical timekeeping machine 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 widespread right this moment as ornamental objects or as a strategy to study concerning the motion of the solar. They’re comparatively straightforward to make use of, however there are some things it’s essential to know to learn a sundial precisely.
