«من قرأ سورة الكهف يوم الجمعة أضاء له النور ما بينه وبين البيت العتيق»
The Prophet (peace and blessings be upon him) said:
"Whoever recites Surah al-Kahf on the day of Friday, light is made to shine between him and the Ancient House (the Ka'bah)."
Hadith Referenceصحیح الجامع الصغیر / حرف الميم / 6471