The pattern of the Di(?) and Xia(?) sacrificial rites of the early Tang Dynasty roughly inherited the system of the Sui Dynasty, and was similar to Zheng Xuan's view.but the length of the intervals between Di(?) and Xia(?) sacrificial rites was differ...
The pattern of the Di(?) and Xia(?) sacrificial rites of the early Tang Dynasty roughly inherited the system of the Sui Dynasty, and was similar to Zheng Xuan's view.but the length of the intervals between Di(?) and Xia(?) sacrificial rites was different from Zheng Xuan's view. Emperor Gaozong followed Zheng Xuan's view. From Emperor Gaozong to Emperor Xuanzong, the length of the intervals between Di(?) and Xia(?) sacrificial rites underwent a complex process of alteration.