Six other high-minded, very powerful Manus, who belong to the race of this Manu, the descendant of the Self-existent (Svayambhu), and who have severally produced created beings,
These seven very glorious Manus, the first among whom is Svayambhuva, produced and protected this whole movable and immovable (creation), each during the period (allotted to him).
निमेषा दश चाष्टौ च काष्ठा त्रिंशत् तु ताः कला । त्रिंशत् कला मुहूर्तः स्यादहोरात्रं तु तावतः ॥ ६४ ॥
Eighteen nimeshas (twinklings of the eye, are one kashtha), thirty kashthas one kala, thirty kalas one muhurta, and as many (muhurtas) one day and night.