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suyuti:85-466bAnas

the Prophet ﷺ, as ˹the month of˺ Rajab entered, used to say, "O Allah, bless us in ˹the months of˺ Rajab and Shaʿbān, and let us reach ˹the month of˺ Ramaḍān." And whenever it was the night of Friday (Thursday evening), he said: "This night is honorable and the day of Friday is a day of happiness/radiance."  

Ibn ʿAsākir's Tārīkh
السيوطي:٨٥-٤٦٦bعن أنس

أن النبي ﷺ كانَ إِذَا دخلَ رجب قالَ: «اللهمَّ بارِكْ لَنا في رجب وشعبان، وبَلِّغنَا رمضانَ۔» وكان إِذا كانت ليلةُ الجمعة قالَ: «هذه ليلة غَرَّاءُ، ويومُ الجمعة يومٌ أزهرُ۔»  

[كر] ابن عساكر في تاريخه

See similar narrations below:

Collected by Aḥmad, Suyūṭī
ahmad:2346ʿAbdullāh > ʿUbaydullāh b. ʿUmar > Zāʾidah b. Abū al-Ruqād > Ziyād al-Numayrī > Anas b. Mālik

the Prophet ﷺ, as ˹the month of˺ Rajab entered, used to say, "O Allah, bless us in ˹the months of˺ Rajab and Shaʿbān, and bless us in ˹the month of˺ Ramaḍān." He also used to say, "The night of Friday (Thursday evening) is honorable and its day is ˹a day of˺ happiness/radiance."  

أحمد:٢٣٤٦حَدَّثَنَا عَبْدُ اللهِ حَدَّثَنَا عُبَيْدُ اللهِ بْنُ عُمَرَ عَنْ زَائِدَةَ بْنِ أَبِي الرُّقَادِ عَنْ زِيَادٍ النُّمَيْرِيِّ عَنْ أَنَسِ بْنِ مَالِكٍ قَالَ

كَانَ النَّبِيُّ ﷺ إِذَا دَخَلَ رَجَبٌ قَالَ «اللهُمَّ بَارِكْ لَنَا فِي رَجَبٍ وَشَعْبَانَ وَبَارِكْ لَنَا فِي رَمَضَانَ۔» وَكَانَ يَقُولُ: «لَيْلَةُ الْجُمُعَةِ غَرَّاءُ وَيَوْمُهَا أَزْهَرُ۔»  

Duʿāʾ when the month of Rajab enters

suyuti:85-540bAnas

the Messenger of Allah ﷺ, as ˹the month of˺ Rajab entered, used to say, "O Allah, bless us in ˹the months of˺ Rajab and Shaʿbān, and let us reach ˹the month of˺ Ramaḍān."  

Ibn Najjār
السيوطي:٨٥-٥٤٠bعَنْ أَنَسٍ قَالَ

كَانَ رَسُولُ الله ﷺ إِذَا دَخَلَ رَجَب قَالَ: «اللَّهُمَّ بَارِكْ لَنَا في رَجَبٍ وَشَعْبَانَ وَبَلِّغْنَا رَمَضَانَ۔»  

ابن النجار