On The Various Measures of Time Composed of Days, The Life of Brahman Included.

Two kalpas are a day of Brahman. It is the same if we say two kalpas or 28 manvantaras, for 360 days of Brahman are a year of Brahman, i.e. 720 kalpas or 10,080 maauaniaras.

Further, they say that the life of Brahman is 100 of his years, i.e. 72;000 kalpas or 1,008,000 mamoamiaras.