In the first hours of the morning the sun is rising in the constellation of Aries. It is the period of the spring equinox, when the sun rises and sets at the same time in all places of the earth marking the climatic moment of the rebirth of nature.
This way Dante gives us some indications to fix the date of departure of the journey that will take him, after the descent to the underworld, finally "to see the stars" and beyond: March 25, the national Dante-Day dedicated to Dante Alighieri.