《宋书·志·卷十三》
又停留二十八天，再顺行，每天运行四分，共一百一十二天，黄昏时在西方不出现，其后经过的天数、度数及余与开始时相同。
从，日行四分，百一十二日，夕伏西方。日度余如初。
It then rested again for 28 days, and then started to move forward, 4 minutes per day, for a total of 112 days. It became invisible in the evening in the West. After that the number of days, degrees, and points were the same as at the beginning.