Throughout the Month of June:  Obon Dance & Festival.  The Obon tradition was brought to Hawai`i by Japanese immigrants and evolved into a social and cultural event, as well as a religious custom designed to honor ancestors through an evening of dance, music and merry-making.  Free.  Festivities and Dance schedules and locations are listed below (subject to change): Saturday, June 17:  Papaikou Hongwanji Mission, 27-378 Old Mamalahoa Hwy., Papaikou.  Service 6 p.m., Dance 7 p.m.  For information call (808) 964-1640.…