لَا إِلَهَ إِلَّا اللَّهُ وَحْدَهُ لَا شَرِيكَ لَهُ لَهُ الْمُلْكُ وَلَهُ الْحَمْدُ وَهُوَ عَلَى كُلِّ شَيْءٍ قَدِيرٌ
Transliteration
La ilaha illallahu wahdahu la sharika lahu lahul-mulku wa lahul-hamdu wa huwa 'ala kulli shay'in qadir
English meaning
None has the right to be worshipped except Allah, alone, without partner. To Him belongs all sovereignty and praise, and He is over all things omnipotent.
When is it recited?
Repeated frequently on the Day of Arafah.
Its virtue
The best supplication is the one made on the Day of Arafah.
Source
Tirmidhi, Da'awat 122, 3585
