Leaving Muzdalifah in the last part of the night: Is it permissible?

Question 11: At what time should a pilgrim leave Muzdalifah to go to Minaa? Is it permissible to throw the pebbles on behalf of women despite their capability of throwing for fear of crowdedness?

Answer: It is permissible for a pilgrim to leave Muzdalifah in the last half of the night, because the Prophet (peace be upon him) gave Rukhsah (concession) to women, the weak and those accompanying them to leave. As for powerful men who do not have their families with them, it is better for them not to hasten to leave Muzdalifah; rather, they should offer Fajr (Dawn) Prayer in Muzdalifah, stay there until daylight, and mention and supplicate Allaah a lot because the Prophet (peace be upon him) did so and said… read more here.

What is the ruling on leaving Muzdalifah at midnight on the part of those who accompany their families?

Question 36: I performed Hajj with some families who hired my van for the Hajj journey. We left `Arafah at 9:00 P.M. And reached Muzdalifah at 2:00 A.M. But they insisted on not staying the night in al-Muzdalifah because they had their families with them and the Sharee‘ah (Islaamic law) permits them this. So we did not stay in Muzdalifah more than a quarter of an hour. What is the ruling on this?

Answer: If the reality is as you mentioned, that they had families with them and they were worried about their staying there throughout the night until dawn, there is no sin on you or on them for leaving, if you left Muzdalifah at 2 A.M… read more here.