Arabic original
اللَّهُمَّ بَاعِدْ بَيْنِي وَبَيْنَ خَطَايَايَ كَمَا بَاعَدْتَ بَيْنَ الْمَشْرِقِ وَالْمَغْرِبِ اللَّهُمَّ نَقِّنِي مِنَ الْخَطَايَا كَمَا يُنَقَّى الثَّوْبُ الْأَبْيَضُ مِنَ الدَّنَسِ اللَّهُمَّ اغْسِلْ خَطَايَايَ بِالْمَاءِ وَالثَّلْجِ وَالْبَرَدِ
English translation
O Allah, distance me from my sins as You have distanced the East from the West. O Allah, cleanse me of my transgressions as the white garment is cleansed of stains. O Allah, wash away my sins with water, snow, and hail.
English transliteration
Allāhumma bāʿid baynī wa-bayna khaṭāyāya kamā bāʿadta bayna al-mashriqi wa-al-maghrib. Allāhumma naqqinī min khaṭāyāya kamā yunaqqá al-thawb al-abyaḍu min al-danas. Allāhumma ighsil khaṭāyāya bi-al-māʾi wa-al-thalji wa-al-barad
Source al-Bukhārī and Muslim