《晋书·志·第一章》
它本源于庖牺氏创制的周天历度，其流传途径是殷商传授给周公，周代人记录下来，所以叫《周髀》。
其本庖牺氏立周天历度，其所传则周公受于殷商，周人志之，故曰《周髀》。
It originated from the Zhou Dynasty's calendar system created by Bao Xi, and its dissemination path was passed on from the Yin and Shang to Zhou Gong, and was recorded by the Zhou Dynasty people, so it was called "Zhou Bi".