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