He appointed the moon for seasons: the sun knoweth his going down. He appointed the moon for seasons - The heathens thought that the sun and moon were gods, and worshipped them as such. The psalmist shows, 1. That they are creatures dependent on God for their being and continuance; and, 2. That they were made for the use of man. See what has been said on these luminaries in the notes on Genesis 1:14-16 (note).
Related Commentaries of Psalms 104:19
Psalms 104:19
19 He appointed the moon for seasons: the sun knoweth his going down.