اللَّهُمَّ أَصْلِحْ لِي دِينِي الَّذِي هُوَ عِصْمَةُ أَمْرِي وَأَصْلِحْ لِي دُنْيَايَ الَّتِي فِيهَا مَعَاشِي وَأَصْلِحْ لِي آخِرَتِي الَّتِي فِيهَا مَعَادِي وَاجْعَلِ الْحَيَاةَ زِيَادَةً لِي فِي كُلِّ خَيْرٍ وَاجْعَلِ الْمَوْتَ رَاحَةً لِي مِنْ كُلِّ شَرٍّ
Transliteration
Allahumma aslih li dinilladhi huwa 'ismatu amri wa aslih li dunyayallati fiha ma'ashi wa aslih li akhiratillati fiha ma'adi waj'alil-hayata ziyadatan li fi kulli khayrin waj'alil-mawta rahatan li min kulli sharr
English meaning
O Allah, set right my religion which is the safeguard of my affairs. Set right my worldly life in which is my livelihood. Set right my Hereafter to which is my return. Make life a means of increase for me in every good and make death a relief for me from every evil.
When is it recited?
Can be recited anytime.
Source
Muslim, Dhikr 71, 2720