Hindu - A time period. 1,000th of a kalpa. This period covers four yugas, totalling 10,000 or 12,000 divine years. In this system, where a divine year equals 360 human years, a mahayuga is 4,320,000 years. 1,000 such cycles is a day of Brahma, a kalpa, lasting 4,320,000,000 human years or, including a night and day of Brahma, twice this period. Also commonly known as Mahayuga, Maha-yuga, Maha-yuga or mahaiuga.

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