sundial

sundial   Dan sundial

Sundials are instruments that tell you the time with the shadow of the sun To design a sundial you need to know exactly where you are going to put it, you

A sundial is a horological device that tells the time of day when direct sunlight shines by the apparent position of the Sun in the sky  SUNDIAL definition: 1 a device used outside, especially in the past, that consists of a thin piece of metal attached… Learn more

อีจุนยอง How to install a sundial: the basics · A vertical sundial hangs on a wall while a horizontal, equatorial or polar model goes on the ground · The latitude of Angbu-ilgu was a sundial created in 1434 during the Joseon dynasty under King Sejong's reign Upon King Sejong's orders, a team of