According to the book Documents on the Persian Gulf's name, Nowruz was originated in ancient Persia. This celebration is attributed to the mythical king Jamshid. Iranians celebrated Nowruz continuously at least since 500 BC .Historically the ethnics residing in geographical civilization of PERSIA have celebrated changing of the seasons or solar rotations, the equinoxes (March ( 21st) and September (about 23rd) and the solstices in June (20th or 21st) and December (21st or 22nd). they infact were honoring and welcoming sun developments and return of spirit of the dead in this special days.