It is mentioned that whoever reads this dua 3 times (on the last day of the year i.e. this year before Salat-ul-Maghrib), then the Shaytan says concerning him/her “We have tired ourselves with him/her the entire year, and he/she has ruined our efforts, in one moment” and he throws dust upon his face!
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Translation of the Du’aa
In the name of Allah, the Compassionate, the Merciful,
And May the peace and blessing of Allah, be upon Our Master Muhammad (sallallahu alayhi wasallam) and his family and companions.
O Allah, whatever actions I have committed this past year which You have forbidden me from, which I have not repented from, and You have not been pleased with nor do You forget, while You are forbearing with me , though You are fully capable of punishing me, while You called me to repentance after my foolishness before You in committing sins – O Allah, I surely seek Your forgiveness for that, so forgive me ! O Allah, as for my actions that have pleased You in this year and for which reward has been promised, then I ask You O Allah! O Most Generous, O Owner of Majesty and Reverance, that You accept them from me. And do not dash my hopes in You. O Most Generous! And Allah, the Most Exalted, bless our Master Muhammad (sallallahu alayhi wasallam) and his family and companions and grant them peace.
[Kanzun-Najah was-Surur by Al-Shaykh Abdul Hameed Muhammad Ali al Quds]