The 2007 Pacific hurricane season was a below average Pacific hurricane season with only one major hurricane. It officially started on May 15, 2007 in the eastern Pacific, designated as the area east of 140°W, and on June 1 2007 in the central Pacific, which is between the International Date Line and 140°W, and lasted until November 30, 2007. These dates conventionally delimit the period of each year when most tropical cyclones form in the Pacific basin.