Q; What does standing at Arafah mean?what is the Hikmah.
A; All-Praise is due to Allah,
When the sun rises on the day of ‘Arafah, the pilgrim travels from Mina to ‘Arafah and stops in Namirah until the time of Zuhr (Namirah is a place just before ‘Arafah), if he can do so. If he cannot do it, it does not matter because staying in Namirah is Sunnah but it is not obligatory. When the sun passes its zenith (i.e., when the time for Zuhr prayer begins), he should pray Zuhr and ‘Asr, two rak’ahs each, and join them together at the time of Zuhr, as the Prophet (peace and blessings of Allaah be upon him) did, so as to leave a lot of time for standing and making du’aa’.
Then after the prayer he should devote his time to making dhikr and du’aa’ and beseeching Allaah, and praying as he likes, raising his hands and facing the qiblah even if the mountain of ‘Arafah is behind him, because the Sunnah is to face the qiblah, not the mountain. The Prophet (peace and blessings of Allaah be upon him) stood by the mountain and said, “I am standing here, but all of ‘Arafah is the place of standing.”
Most of the Prophet’s du’aa’ in that great place of standing was: “Laa ilaaha ill-Allaah wahdahu laa shareeka lah, lahu’l-mulk, wa lahu’l-hamd, wa huwa ‘ala kulli shay’in qadeer (There is no god but Allaah alone, with no partner or associate; His is the Dominion, all praise is due to Him, and He is able to do all things).”
If the pilgrim gets tired and wants to have a break by talking to his companions about useful things or by reading from some useful books, especially things that have to do with the generosity and great bounty of Allaah, in order to increase his hopes on that day, this is good. Then he can go back to beseeching Allaah and praying to Him. He should strive to make the most of the end of the day by making du’aa’. The best of du’aa’ is du’aa’ made on the day of ‘Arafah.
(See Islam Q&A Fatwa: 31822)