Mount Diablo Beacon Lights at Sunset for Pearl Harbor The Eye of Diablo Commemorating Pearl Harbor Remembrance Day Please join us on December 7 at the California State University East Bay Concord Campus, 4700 Ygnacio Valley Road, Concord, for the annual Beacon lighting ceremony. Parking is free. 3 PM: USS Arizona Reception and Exhibit 3:45 PM: Ceremony Begins ...