Pacific Standard Time: Art in L.A. 1945-1980, a huge collaborative arts festival organized by the J. Paul Getty Trust and featuring 60 regional institutions, includes a number of Orange County participants. Among the highlights, the Orange County Museum of Art’s State of Mind: New California Art Circa 1970 continues until Jan. 22, ocma.net; Laguna Art Museum’s Best Kept Secret: UCI and the Development of Contemporary Art in Southern California, 1964-1971 runs through Jan 22, lagunaartmuseum.org.