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.