The scholar Abu Mohammad Hasan bin Husain bin Babeweyh, narrated from the blessed scholar Abu Jaafar Mohammad bin Hasan Al-Tousi, from the great scholar Abu Abdillah Mohammad bin Mohammad bin No’man, from Abul Qasem Jaafar bin Mohammad, from Mohammad bin Abdullah bin Jaafar Al-Hemiyari, from his father, from Dawud Al- Reqqi, from MOHAMMAD BIN ALI Al-Baqir (ASWS), who said:
The sins of those who go to the Ziyarat of HUSAIN (ASWS) on the night of the fifteenth of Sha’baan will be forgiven.
(Ref: Amaali of Tousi 1:46m Bihar Al Anwar 101:100)