Daniel 7:9-10,13 The Ancient Of Days

In the Bible the prophet Daniel shares this vision: 9. I beheld till the thrones were cast down, and the Ancient of days did sit, whose garment was white as snow, and the hair of his head like the pure wool: his throne was like the fiery flame… 10. A fiery stream issued and came forth from before him: thousand thousands ministered unto him, and ten thousand times ten thousand stood before him: the judgment was set, and the books were opened. 13. I saw in the night visions, and, behold, one like the Son of man came with the clouds of heaven, and came to the Ancient of days, and they brought him near before him. (Daniel 7:9-10, 13) 
 

Sanat Kumara

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The Mormon Church teaches that the Ancient of Days is Michael the Archangel or Adam: Michael the archangel… or Adam. (Doctrine and Covenants 128:21) [is] Father Adam, the Ancient of Days. (Doctrine and Covenants 138:38) Considering Michael the Archangel is more than three million years of age and He reigned in the Golden Ages of the past in America He is definitely an ancient of days however the Ancient of Days seen by the prophet Daniel refers to the King, or LORD, of this world Sanat Kumara who is more than four and a half million years of age. Relatively speaking He stands at the head of the Spiritual Hierarchy and under His direction are many of the other great Ascended Masters including the Son of Man, Jesus. Beloved Sanat Kumara teaches us: "While "I AM" called the Youth of Sixteen Summers, "I AM" also called the "Ancient of Days." It sounds like a contradiction, doesn't it; but it is not!" ('The Voice of the I AM' February 1950 p11-12)

Sanat Kumara in Hinduism From Wikipedia

Sanat Kumara appears as a rishi in the Hindu religious text the Chandogya Upanishad. A shrine to Sanat Kumara which attracts and unites people of all religions and faiths is situated in the town of Kataragama, Sri Lanka. In Sanskrit, "Sanat Kumara" is "Eternal Youth." The Kumar resides in the most sublime center of our planet, Shamballa. Scriptures, especially the Mahabharata, say that Sanath Kumara is the Planetary Lord. It is said that He receives the energies from higher planes and transmits them to the Spiritual Hierarchy.

Sanat Kumara in Theosophy From Wikipedia

Sanat Kumara was mentioned briefly by the theosophist Helena Blavatsky. She claimed he belonged to a group of beings, the "Lords of the Flame." Sanat Kumara gained greater prominence when Blavatsky's close-friend and colleague Charles W. Leadbeater wrote that Sanat Kumara was the "King" or Lord of the World, and the head of the Great White Brotherhood of Mahatmas who had revealed the principles of theosophy. He is usually depicted as having the appearance of a 16 year old boy.