Midrash for Genesis 8:22

Adam handed on the tradition to Enoch, who was initiated in the principle of intercalation, and he intercalated the year, as it is said, "And Enoch walked with God" (Gen. 5:22). Enoch walked in the ways of the calculation concerning the world which God had delivered to Adam. And Enoch delivered the principle of intercalation to Noah, and he was initiated in the principle of intercalation, and he intercalated the year, as it is said, "While the earth remaineth, seed-time and harvest, and cold and heat, and summer and winter" (Gen. 8:22). "Seed-time" refers to the Teḳuphah of Tishri, "harvest" refers to the Teḳuphah of Nisan, "cold" refers to the Teḳuphah of Ṭebeth, and "heat" refers to the Teḳuphah of Tammuz; "summer" is in its season and "winter" is in its season.

The counting of the sun is by day || and the counting of the moon is by night, "they shall not cease."

R. Yohanan explained the cause of their rebelliousness as follows: They would sow for a single year and it would produce harvests that lasted forty years.⁴⁴Many passages in the Midrashim teach that an overabundance of comfort and ease result in evil consequences for mankind. Thus the Holy One, blessed be He, said to them: “Is this how you act? While the earth remaineth, seedtime and harvest, and cold and heat, summer and winter, day and night shall not cease (Gen. 8:22).”