The best supplication offered on the Day of ‘arafaat is that of the Prophet Muhammad (peace be upon him)
Laa ilaaha illallaahu wahdahu laa shareeka lah, lahul-mulku walahul-hamdu wahuwa ‘ala kulli shay-in qadeer
(There is no true God worthy of being worshipped except Allaah, alone, without any partners, to Him belongs the Kingdom, and all-praise is due to Him, and He is able to do all things).
Dhikr
tahleel ( لا اله الا الله ), tahmeed ( الحمد لله) & takbeer ( الله اكبر). [13]
As soon as the announcement of Dhul-Hijjah is made, start your dhikr:
الله اكبر الله اكبر لا اله الا الله
الله اكبر الله اكبر ولله الحمد
“Allaahu Akbar, Allaahu Akbar, laa ilaaha ill-Allaah,
Allaahu Akbar, Allaahu Akbar. Wa lillaahil-hamd.”