St. John's Day may refer to: Feasts celebrating the Nativity of Saint John the Baptist: * January 7, an Eastern Orthodox feast * June 24, Midsummer Day **an Eastern Orthodox feast celebrating his birth **a Roman Catholic, Lutheran and Anglican feast celebrating his birth *** Fête St-Jean-Baptiste *** Festival of San Juan *** Saint Jonas Day *** Jaaniõhtu *** Festa Junina ***See also Saint John's Eve * August 29, an Eastern Orthodox feast commemorating his beheading * September 23 **an Eastern Orthodox feast celebrating his conception **a Roman Catholic and Lutheran feast celebrating his conception * Thout 2, a Coptic Orthodox feast * Dehwa Daimana (Mandaean feast): 1st day of Hiṭia, the 11th month of the Mandaean calendar Feasts celebrating John the Evangelist * December 27, a Roman Catholic, Lutheran, and Anglican feast * May 8, an Eastern Orthodox feast