Eastern Daylight Time is 9 hours and 30 minutes behind of India Standard Time. So 3:21 PM15:21 in EDT is 12:51 AM00:51 in IST.
Jung's persona. Identification. The development of a viable social persona is a vital part of adapting to, and preparing for, adult life in the external social world. A strong ego relates to the outside world through a flexible persona; identifications with a specific persona (doctor, scholar, artist, etc.) inhibits psychological development.
Wikipedia: persona A persona, in the word's everyday usage, is a social role or a character played by an actor. The word derives from the Latin for mask or character, derived from the Etruscan word phersu, with the same meaning. The Persona in literature Criticism of poetry and fiction to refer to a second self created by the author and through whom the narrative is related.