Friday is the best day of the week for Muslims, and one of it's benefits is to read Surah al-Kahf (18) on this day.
Abu Sa'id al-Khudri (رضي الله عنه) reported that the Prophet (ﷺ) said:
Surah al-Kahf is a special chapter of the Qur'an, and if one memorizes the first ten verses of it, will be protected from Dajjal:
Abu Darda (رضي الله عنه) reported that the Prophet (ﷺ) said:
May Allah bless you, and shukran.
Sources :
1. al-Sunan al-Kubra 5856, graded Sahih according to al-Albani.
2. Sahih Muslim 809, graded Sahih according to Muslim.