[Saburo Sakai]

At 6 a.m., the first attack wave of 183 Japanese planes takes off from the carriers located 230 miles north of Oahu and attacks at 07:53

Near Oahu - At 7:15 a.m., a second attack wave of 167 planes takes off from the Japanese carriers and attacks at 08:40

The second wave was not made up from elements of the first wave.