What a portal is. Enoch watches where the sun comes up. Through the year the rising point walks along the eastern horizon, north and then south again, and he marks six openings on that walk, with six matching openings in the west where the sun goes down. The sun spends a month in each: thirty mornings, and thirty-one at the turns.
The year opens in the fourth, the great portal, from the equal day and night on which the old year closed; by its thirtieth morning the day has reached ten parts to the night's eight. The sun climbs to the sixth, the longest day, twelve parts of light to six of dark, and stays there a second month; turns; descends through the fifth and fourth (nine and nine at the sixth month's end) to the first, six parts to twelve, the shortest day, and stays there a second month; then returns through the second to the third, where the year closes at nine and nine. Two months in the sixth, two in the first, and the twelve portals of the year are 4-5-6-6-5-4-3-2-1-1-2-3. In our words: the equinoxes and the solstices, watched from the ground. In Enoch's words: “And it returns to the east and enters into the sixth portal, and rises and sets in the sixth portal one-and-thirty mornings on account of its sign” (1 Enoch 72:13, Charles). The parts shown are the text's figure for the month's last morning.