立夏 りか female given name or forename Also 立夏: りっか first day of summer (approx. May 6) りっか Rikka りつか Ritsuka 立夏りか female given name or forename English JMnedict 1 Rika 漢字 kanji used 立 stand up, rise 5画 · JLPT N 4 夏 summer 10画 · JLPT N 3