The time indication hand can be shifted to any meridian and indicates the time on a 24 hour ring. The time difference between any location and the preselected one can be found where the other meridians intersect the hour circle. A threaded metal arc is screwed into a support under the terrestrial globe. A small globe representing the Sun can be manually adjusted. From one solstice to the next, it moves 23.5 degrees above or below the equator, giving its seasonal position. Patent no. 19460 was issued to J. H. Overton on August 31, 1906.