When Does The 4th Ninja War Start !new! ★ Tested

Chronologically, the physical war begins on and lasts only two days, ending on October 10th (Naruto’s birthday).

The "Countdown" arc (Episodes 215–256) covers the months of military buildup and Naruto’s training to control the Nine-Tails' chakra. 3. The First Combat (The War Arc) when does the 4th ninja war start