Hajj pilgrims will have to register their names by tomorrow as the pre-registration time will not be extended further, reports BSS. In terms of moon sighting, Hajj will be performed on September 10 this year, a release of Religious Affairs Ministry said here today requesting all hajj pilgrims to register their names by June 7.  A ministry official said if the number of Hajj pilgrims exceed 1,01,758, additional pilgrims will remain in the waiting list and they will go for Hajj next year.