The Book of Enoch – Chapter 72-82 - The Book of the Heavenly Luminaries

Chapter 72 – the course of the Sun, the 12 portals/gates for the Sun
Chapter 73-74 – the course of the Moon, the phases of the Moon
Chapter 75 – the 4 intercalary days, the courses of the Stars
Chapter 76-77 – portals for the four winds, the four quarters of the earth, the description of the earth in Enoch's time
Chapter 78-79 – more on the Moon and Sun, phases and movement
Chapter 80-82 – parallels between the Luminaries and mankind, those that are obedient (righteous) and follow God's order/command vs. those that are wayward and go their own way (sinners)