The Hindu and Vedic writings also make reference to four ages ( Yuga ) termed: Satya, Treta, Dwapara and Kali. According to the Laws of Manu these four ages total 4.32 million years. Kali-Yuga lasts for 432,000 years, Dvapara Yuga lasts for 864,000 years, Treta Yuga lasts for 1,296,000 years, and