Age of Brahma
From Theosopedia
(Age of Brahmā) In Hinduism, world periods are measured in terms of days and nights of Brahma, kalpas and yugas.
A day of Brahma or a kalpa is equivalent to 4,320,000,000 years, while a night of Brahma is of equivalent duration. Thus a day and night totals 8,640,000,000 years. A year of Brahma then is 3,110,400,000,000 years, and 100 such years is the Age of Brahma, which is 311,040,000,000,000 years. This is the maha-manvantara, or age of manifestation, to be followed by maha-pralaya or period of non-manifestation. See also YUGA.
© Copyright by the Theosophical Publishing House, Manila