About this tool: An animated minute-by-minute reconstruction of the December 7, 1941 attack on Pearl Harbor. The map shows the major military installations on southern Oʻahu; the timeline plays through the entire attack from the first warning at 6:37 AM (USS Ward sinks a Japanese midget submarine) through the second-wave departure around 9:55 AM. Casualty count and damage tally update in real time. Sources: Naval History and Heritage Command, USS Arizona Memorial archives, NPS Pearl Harbor National Memorial.