18 Surah Al Kahf-الكهف

Abu Sa’id al-Khudri reported: The Prophet, peace and blessings be upon him, said, “Whoever recites Surat al-Kahf on Friday, a light will shine for him between this Friday and the next.”

Source: al-Sunan al-Kubrá lil-Bayhaqī 5996

Grade: Sahih (authentic) according to Al-Albani