Ancient Indian classical texts say that the "pran pratistha" (installation) of the first Somnath Jyotirlinga was done on the auspicious third day of brighter half of Shravan month during the tenth Treta yug of Vaivswat Manvantar.
Swami Shri Gajananand Saraswatiji, Chairman of Shrimad Aadhya Jagadguru Shankaracharya Vedic Shodh Sansthan, Varanasi suggested that the said first temple was built 7,99,25,105 years ago as derived from the traditions of Prabhas Khand of Skand Purana.