《明史·志·卷十一》
推算每日月亮运行的晨昏宿次：将朔弦望的晨昏宿次，加上每日的月亮行度，满月道宿次减去，就得到了。
推每日月离晨昏宿次置朔弦望晨昏宿次，以每日太阴行度加之，满月道宿次减之，即得。
To calculate the morning and evening constellations of the moon's daily movement, add the morning and evening constellations of the moon's first quarter and last quarter, the moon's daily motion, and subtract the full moon's constellation.