To symbolize the sun we have selected the ancient Zia sun symbol. The following is from Wikipedia. The Zia Indians of New Mexico regard the Sun as sacred. Their symbol for the sun (a red circle with groups of rays pointing in four directions) is painted on ceremonial vases, drawn on the ground around campfires, and used to introduce newborns to the Sun. Four is the sacred number of the Zia and is seen repeated in the four points radiating from the circle, each consisting of four bars. To the Zia Indians, the number four represents:

The Zia's believe that with life comes four sacred obligations: one must develop a strong body, a clear mind, a pure spirit, and a devotion to the welfare of others.