Dua for Laylat al-Qadr
اللّهُـمَّ إِنَّكَ عَفُوٌّ تُـحِبُّ العَفْوَ فَاعْفُ...
اللّهُـمَّ إِنَّكَ عَفُوٌّ تُـحِبُّ العَفْوَ فَاعْفُ عَنِّي
Allahumma innaka AAafuwwun tuhibbul-AAafwa faAAfu AAannee
Translation
O Allah, You are Most Forgiving, and You love forgiveness; so forgive me.
When to recite
Recited on Laylat al-Qadr (the Night of Decree), particularly in the last ten nights of Ramadan.
Source / Reference
At-Tirmithi 5/534, Ibn Majah 2/1265