Hajj is obligatory upon a Muslim how many times in a lifetime?

Explanation

– Hajj, the pilgrimage to Makkah, is obligatory once in a lifetime upon every Muslim who is physically and financially capable of undertaking the journey.
– It takes place annually during the Islamic month of Dhul Hijjah.
– For exams, note that Hajj became compulsory in 9 AH, and the Prophet (PBUH) performed his only Hajj, known as the Farewell Hajj, in 10 AH.