8:00 am "War Start"
Fukushima troop of Eastern army fired to Ukita troop and started war.
At the day, Sekigahara was shrouded in thick fog. The fog cleared at about 8:00 a.m. Gradually Flags of the Western army began to clear to see. When Ii troop of Eastern army saw them, they attacked to Ukita troop. At the same time Fukushima troop fired to Ukita troop. The war began. On that moment, the Eastern army made a signal fire telling the start of war from Okayamahokajyo.
9:00 am - 10:00 am "Dogfight"
Superiority or inferiority was unclear. Fierce battles continued.
The battle was started. Superiority or inferiority of both side was not clear. Ishida troop and Kuroda/Hosokawa/Kato troop, Otani troop, Todo and Kyogoku troop, especially Ukita troop and Fukushima troop had repeatedly hard battles. In this time, because of attack of Kuroda troop, Sakon Shima in Ishida troop got injured. And they were attacked repeatedly by the Eastern army. But Ishida troop countered by a cannon. This attack pushed back the front of the Eastern army.
11:00 am "Rebellion"
Rebellion of Kobayakawa troop in Western army
Fared better than expected by the Western army, the Eastern army became inferiority in numbers. Ieyasu placed base from Momokubariyama to the front, Jinbano. It didn't work. Mitsunari saw the battle in favor. He raised the signal fire that meant to attack in full force to Kobayakawa on the Matsuoyama and Mori on the Nangusan. But Yoshikawa troop interrupted Mori troop, because they held secret communication with Ieyasu. Kobayakawa troop did not respond because they were also with Ieyasu.
Noon - 1:00 pm "Collapse"
Collapse of the Western army caused by Kobayakawa troop's betrayal
Even in noon, victory or defeat was not clear. The counterattack of Western army became harder and harder. Ieyasu made a volley of reminders to Kobayakawa troop on Matsuoyama. In response to it, Kobayakawa troop began their attack to Ootani troop. The betrayal of Kobayakawa troop made the Western army disconcerted. Ootani troop withstanded anyway. But when Wakisaka troop joined to attack Ootani troop, they were defeated at last. Yoshitsugu commited suicide on the spot.
2:00 pm - 3:00 pm "Rout"
Ishida troop finally took to flight, the Shimazu troop escaped in front of Ieyasu's base
Ootani troop was defeated. Got total military attacked of the Eastern army, Ukita troop and Konishi troop were also collapsed. Many troops of Western army took to flight but Ishida troop still fought with the Eastern army. However Ishida troop was defeated at the power of an overwhelming the Eastern army and took to flight to Hokkokukaido. The battle was finally settled. Shimazu troop joined the battle. But they did not give the attack willingly from them. Just if somebody got closer to their base, the person would be killed. The Western army were collapsed and Shimazu troop remained at the end. Shimazu troop escaped in front of Ieyasu's base and they shook off the troops of the Eastern army and escaped toward Isekaido through Makita.