What are the rulings on visiting graves?

Question:
When a living person visits a deceased person in the cemetery and stands at his grave, does the deceased hear the greeting and respond to it? Does the deceased recognize his visitor among the living? What is the ruling on directing the greeting specifically to a certain grave after greeting the people of the cemetery in general? What is the ruling on designating specific days for visiting graves and standing at certain graves?

Answer:
The Prophet (peace and blessings be upon him) said to us: "Visit the graves, for they remind you of the Hereafter." In another narration, it says: "and they make you disdain the worldly life." The Messenger (peace and blessings be upon him) said to us to visit the graves so that we remember and take a lesson. Therefore, visiting graves is prescribed if the intention is to take a lesson, to be admonished, to send peace upon the deceased, and to make du'a' for him. As for whether he hears or recognizes who comes to him, this requires evidence, because this is among the unseen matters that only Allah knows. As for us, we carry out what the Messenger of Allah (peace and blessings be upon him) commanded us to do, which is visiting the graves for the sake of remembrance, taking a lesson, and making du'a' for the dead. This is what is prescribed. As for the time of visiting graves, there is no specific time or particular day. A Muslim visits the graves whenever it is convenient for him, on any day. As for designating a specific day for visiting, there is no evidence for that. Yes.