Kalp
See also    Kaal Division,    Manvantar,   

Kalp = 1,000 Human 4-Yug period = 14 Manvantar of 71+ Chaturyug each
1 Human-year = 1 Divine day
360 Human-year = 360 Divine-days = 1 Divine-year

Brahmaa's age is 100 Divine years. A Paraardh is half of Brahmaa's age, that is 50 Divine years.

1st Paraardh = 50 Divine-years period

Braahm Kalp - in this Kalp Brahmaa Jee was born.

Paadm Kalp - this was in the end of the first Paraardh, in which lotus appeared from Bhagvaan's navel.

2nd Paraardh = 50 Divine-years period

Varaah Kalp - This is the beginning of the 2nd Paraardh, and in this Kalp Bhagvaan took Varaah Avataar.

In this Vaivaswat Manvantar Bhagvaan took Avataar as the son of Maharshi Paraashar and Daashraaj's daughter Satyavatee - Shree Krishn Dwaipaayan Ved Vyaas Jee and divided Ved in four parts.