He appointed the moon for seasons (comp. Genesis 1:14). The Jewish festivals depended greatly on the moon, the Passover being celebrated at the time of the full moon of the first month (Exodus 12:6), and the other festivals depending mostly on the Passover. And the sun knoweth his going down. Observes the laws, that is to say, appointed for him.
Thou makest darkness, and it is night. The mention of the moon and sun introduces a picture of night (Psalms 104:20, Psalms 104:21) and a picture of the day (Psalms 104:22, Psalms 104:23). The day draws in—darkness descends—night is come. At once there is a stir in the animal world. Man has gone to his rest; but the time is arrived wherein all the beasts of the forest do creep forth. The primeval jungle is alive with motion and sound. All the animals are on the alert. seeking their prey. The young lions are heard above all; they roar after their prey, and seek their meat from God. The awful sound of their hungry roar drowns almost all other sounds, and shakes with terror the hearts of those that hear. Suddenly, however, night turns into day—
The sun ariseth. Bright beams of light flame up the eastern sky; and earth basks in the sun's smile. But it is a signal to the lions and the other wild beasts to withdraw. They gather themselves together, and lay them down in their dens. Hiding themselves from the eye of day, and retreating into places where they are safe. Then it is the turn of humanity to reappear. Humanity wakes up; and man goeth forth auto his work and to his labour uutil the evening; i.e. man proceeds to his appointed task, which is "work"—once a curse (Genesis 3:17-19), now a blessing (Ephesians 4:28).