Hoshi Matsuri is a Buddhist festival celebrating the tonenjo (also referred to as tonenzokusho, each person's star of the year) and honmyojo (each person's star of the year of birth) to ward off evil.
星まつり（ほしまつり）は、仏教（主に密教）で災いを除くために個人個人の当年星（とうねんじょう、当年属星とも）と本命星（ほんみょうじょう）をまつる祭りのこと。