Fridays & Saturdays, throughout the month of July:  Obon 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.  The following schedule is tentative and subject to change.  Please call each venue to confirm dates and times. Friday & Saturday, July 1 & 2: Manoa Koganji Temple, 2869 Oahu Ave., Honolulu, 5 p.m.  For…