“The day and the night of Brahma have already been mentioned. I shall now mention their duration based on worldly calculation. 231-233a. According to human calculation, four hundred and thirtytwo crores eight millions nine hundred and eighty thousand ( 4328980000) human years constitute the period of dissolution. 233b-236. Then seven Suns rise up. All the four types of creations become merged in the great elements of the worlds. The universe is flooded with water. All the mobile and the immobile beings are destroyed. After completing the annihilation Prajapati becomes quiescent. When everything is burnt, light vanishes and everything is surrounded by nocturnal darkness. The entire vast sheet of water is then presided over by ISvara. The duration of the period of Ekarnava is the same as that of the day of the lord. The period of night is as long as everything is submerged in water. When that recedes, it is remembered as day.