Genesis 1:4
2 Now the earth was without shape and empty, and darkness was over the surface of the watery deep, but the Spirit of God was hovering11 over the surface of the water. 3 God said, “Let there be light.” And there was light! 4 God saw that the light was good, so God separated the light from the darkness. 5 God called the light “day” and the darkness “night.” There was evening, and there was morning, marking the first day. 6 God said, “Let there be an expanse in the midst of the waters and let it separate water from water.”
1 Enoch 41:8
8 For the sun often changes for a blessing or a curse, and the path of the moon brings light to the righteous and darkness to the sinners in the name of the Lord, who separated the light from the darkness, divided the spirits of people, and strengthened the spirits of the righteous in the name of His righteousness. 9 No angel can hinder nor any power obstruct; for He appoints a judge for them all and He judges them all before Him.
Notes and References
"... The Similitudes of Enoch are designed to reassure the righteous that their destiny is secure in the hands of 'that Son of Man.' Their representative lives in heaven, and their dwelling places are prepared. What they must do is believe and trust. The authority of Enoch and of his visions provides a basis for belief. The Similitudes do not appear to envisage any acute historical crisis. They can apply to any situation where the righteous feel oppressed by the kings and the mighty. In the first century CE, they could apply to any Jews who resented the rule of the pagan Romans or the impious Herods. The Similitudes offered to the powerless the assurance of a special destiny guaranteed by a heavenly patron. The heavenly world would furnish the respect and dignity denied them in the present. We may suspect that the matrix of the Similitudes was somewhat more specific than this. The quasi-technical terminology of 'righteous' and 'chosen' suggests that 'the community of the righteous' (38:1) was an actual community and not just a general reference to righteous people. The terminology of 'righteous' and 'chosen' is drawn from the earlier Enoch books. Jonas Greenfield and Michael Stone have noted some terminological resemblances to the Qumran scrolls — for example, 'spirits' for angels and the term 'lot' (1 Enoch 48:2) ... See further P. Sacchi, Jewish Apocalyptic and Its History 116, who points to the Essene overtones of 1 Enoch 41:8, which says that the Lord 'has created (a division) between light and darkness and has divided the spirits of men.' ... In view of the absence of the Similitudes from Qumran, we may safely conclude that they were not composed there. In view of the popularity of the other sections of 1 Enoch at Qumran, and of the near equality of sun and moon in chapter, we should hesitate to ascribe them to the group that composed the earlier Enoch writings ..."
Collins, John J. The Apocalyptic Imagination: An Introduction to Jewish Apocalyptic Literature (p. 191) William B. Eerdmans Publishing Company, 1998