Kali Yuga	=	4,32,000 years
Dwapara Yuga	=	8,64,000 years
Treta Yuga	=	12,96,000 years
Satya Yuga;	=	17,28,000 years

Note : It is said, we are living in Kali Yuga which was started about 5000 years back

One Chakra	=	Four Yugas
One Kalpa	=	1000 Chakras

Note : Present Earth is about 450 crores years old

Brahmo(God) Means Tap & Tatva. The Supreme Almighty God is called AKSHAR

Below the Brahmo there is Panch Brahmo who takes care of all Universal System

1) Sada Shiv	2) Maha Vishnu	3) Shankar
4) Vishnu	5) Great Brahma

Below the Panch Brahmo there is Tridevs who takes care of Single Universes

1) Brahma

2)Vishnu

3)Mahesh

Longevity of Brahma or Tridev is as follows

When we pass 432 crore years 14 Manus in number comes in existence and gets their expiry. Such a period of 432 crore years is equal to 1 day of Brahma and said year is equal to his one night. So one day and night of Brahma is equal to 864 crore years. Brahma lives 100 years in the above ratio of day and night. The approximate life of Brahma in our calculation is 3,15,360 billion years or 315.36 trillion years.

After expiry of Brahma, Brahma ends in Great Brahma and Great Brahma ends in Vishnu and Vishnu ends in Shankar and Shankar ends in Maha Vishnu and Maha Vishnu ends in Sada Shiv and Sada Shiv in the point of AUM.

Within a moment of AKSHAR (Supreme Supreme Almighty God) Sada Shiv comes into existence and gets expired hundred times and within the same said period thousands of Maha Vishnu comes in existence and gets expired and within the said period lakhs of Shankar comes in existence and gets expired and higher proportion continues for lower gods.

Within the movement of Panch Brahmo crores of Tridevs comes in existence and gets expired.

Age of Great AKSHAR or AKSHAR cannot be counted that is beyond measurement of numbers.

Note : As per the Scientific Investigation our Milky Way Galaxy is having more than 200 billion Stars & our visible star(Sun) is much smaller than number of stars in our Milkyway Galaxy and it is impossible to count number of Galaxies in the space. It is said that, it may be possible to count number of sand on earth but it not possible to count number of Galaxies present at space/sky.