Sharad Purnima is considered to be one of the most powerful nights of the year where ‘Chandra dev’ or the Moon God is in his full might. Sharad Purnima is dedicated to both Lord Vishnu and the Moon God, and it is said that their energies are at their peak during this night.Sharad Purnima is considered to be one of the most powerful nights of the year where ‘Chandra dev’ or the Moon God is in his full might. Sharad Purnima is dedicated to both Lord Vishnu and the Moon God, and it is said that their energies are at their peak during this night.