8:46 a.m. Mayor Michael Bloomberg calls for a moment of silence to mark the moment that the north tower was struck. Houses of worship toll their bells. President Barack Obama delivers reading. Relatives of 9/11 victims begin reading names.
9:03 a.m. Moment of silence to mark the time the south tower was struck. Former President George W. Bush delivers reading. Honor Guard opens family entrance, and families enter the Memorial Plaza.