Hajj is only to be performed during specific days of the Islamic calendar month, and certain rites can only be done on certain days: https://en.wikipedia.org/wi

Hajj is only to be performed during specific days of the Islamic calendar month, and certain rites can only be done on certain days: https://en.wikipedia.org/wiki/Hajj#Rites https://en.wikipedia.org/wiki/Hajj#Rites