There were several hadiths about the virtue of reciting Surat Al-Kahf on Friday, including: The hadith of Abu Saeed Al-Khudri, may God be pleased with him, who said: The Messenger of God, may God bless him and grant him peace, said: Whoever recites Surat Al-Kahf on Friday, a light will shine for him between the two Fridays. Narrated by the Governor and Bayhaqi and horses.