2. Finally, sheep ranks eighth in the zodiac and belongs to the twelve earthly branches, so the "untimely" at twelve o'clock a day-from one to three in the afternoon, is also called "sheep time". Yi Gua means "changing sheep". Of the five elements, sheep belong to fire, so they are fire beasts. In China folklore, sheep are as great as Prometheus in Greek mythology. Prometheus was put on the stage for stealing skyfire from the world, while sheep gave their lives for stealing five grains and seeds from the world.