When does the time for reading Surat Al-Kahf on Friday begin: Is it after Maghrib on Thursday night, or after Isha, or after Fajr on Friday?

It is recommended to recite Surat Al-Kahf on Friday and its night (which begins at sunset on Thursday). It is a condition for the camp to be free from evils and corruption, such as avoiding mixing, singing, and dancing. As for the manners of the participant, they include good companionship, inviting to goodness, patience in the face of harm, offering advice, avoiding backbiting and gossip, and occupying one's time with the remembrance of Allah, reciting the Qur'an and pondering over it, and reading books that contain wisdom and admonitions.