High Quality Content by WIKIPEDIA articles! The 84th Academy Awards ceremony, presented by the Academy of Motion Picture Arts and Sciences (AMPAS), honored the best films of 2011 of the United States and took place February 26, 2012, at the Hollywood and Highland Center Theatre (now Dolby Theatre) in the Hollywood district of Los Angeles, California, beginning at 5:30 p.m. PST / 8:30 p.m. EST. During the ceremony, the Academy of Motion Picture Arts and Sciences presented Academy Awards (commonly referred to as Oscars) in 24 categories. The ceremony was televised in the United States by ABC. Actor Billy Crystal hosted the show for the ninth time. He first presided over the 62nd ceremony held in 1990, and last hosted the 76th ceremony held in 2004.