Any one of the four ages, Krita, or Satya, Treta, Dwapara, and Kali, into which the Hindoos divide the duration or existence of the world.
an age of the world. Four ages are described in the Vedas: Krta or Satya, Treta, Dvapara, and Kali. The duration of each yuga is said to be respectively 1,728,000; 1,296,000; 864,000; and 432,000 years. The descending numbers represent a corresponding physical and moral deterioration of mankind in each age. The four yugas comprise an aggregate of 4,320,000 years and constitute a maha-yuga, or great yuga.