The ritual of 'Waqoof-e-Arafat', a pivotal pillar of the Hajj pilgrimage, is performed on

A) 8th Dhul Hijjah

B) 9th Dhul Hijjah

C) 10th Dhul Hijjah

D) 11th Dhul Hijjah

Explanation

Waqoof-e-Arafat (standing on Mount Arafat) on the 9th of Dhul Hijjah is the most crucial rite of Hajj; without it, the Hajj is invalid.