When the tiger barks, it just roars, so the north wind roars and sweeps the fallen leaves and dances, which refers to the zodiac tiger. Tiger Zodiac Tiger is the third of the 12 zodiac animals, and belongs to the 12-year-old Yin, so twelve o'clock in the day and three to five o'clock in the morning are also called tiger hours. According to ancient records. At this time, the tiger is the most active, fierce and hurtful, because Yin Shi and the tiger are well matched.