He appointed the moon for seasons: the sun knoweth his going down.
He appointed the moon for seasons - `appointed times' (cf. Genesis 1:14). The moon is mentioned before the sun, as the evening or night is mentioned in Genesis 1:1-31 before the morning or day. The Hebrews in reckoning began the day from evening. The first divisions of time were marked by the moon.
The sun knoweth his going down. The sun observes the exact times of his rising and setting by God's The sun knoweth his going down. The sun observes the exact times of his rising and setting by God's appointment (Job 38:12, "caused the day-spring to know his place"). The moon's apparent variations are greater than the sun's. The sun never remains above the horizon beyond its time; because otherwise a part of God's creatures would be deprived of their time for getting their food (Psalms 104:20-22).