Dua on the day of Arafah

Laa ilaaha ill-allaahu, waḥdahu laa shareeka lah, lahul-mulku wa lahul-ḥamdu, wa huwa ‛alaa kulli shay’in qadeer

“None has the right to be worshipped except Allah, alone, without partner. To Him belongs sovereignty and all praise and He is over all things omnipotent”

Tirmithi 3585