《晋书·志·第八章》
一直累加至大于等于会通，则月亮在黄道南；再一直累加至大于等于会通，则月亮在黄道北。
加表，满在里；加里，满在表。
Keep adding until it is greater than or equal to the convergence point, then the moon is in the south of the ecliptic; keep adding until it is greater than or equal to the convergence point, then the moon is in the north of the ecliptic.