manvantara | मन्वन्तर
Manvantar (Devanagari: मन्वन्तर ISO15919: manvantara) is a period of 306 million, 600 thousand years. This is equal to 74 cycles of the four yugas, that is, 4,320,000 x 74.
Reference: Radha Govind Geet, Vol. 1, Ch. 5
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