1 Brhma = 100 brhma years
1 Brahma Year = 360 brahma days = 3 trillion 110 billion and 400 million earth years
1 Brahma Day = 2 Kalpa
1 kalpa = 14 Manus + 15 Manu-twilight
1 Manuu (Manvantara) ~ 71.4285 Maha yuga
1 kalpa = 1000 maha yuga
1 maha yuga = 4 yuga devided with 4:3:2:1 = 4,320,000 years
Satya Yuga - 1,728,000 years
Treta Yuaga - 1,296,000 years
Dvapara Yugga - 864,000 years
Kali Yuga - 432,000 years
2000 AD = 51st Brahma year, 1st day, 7th Manu, 28th maha yaga, 4th yuga (Kali yaga)'s 5100th year