Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
suyuti:5353a

"Allah ﷻ descends the night of the middle of ˹the month of˺ Shaʿbān to the lowest sky and then forgives more ˹people˺ than the number of hair on the sheep of ˹the tribe of˺ (Banū) Kalb."  

Aḥmad; Tirmidhī considered it weak; Ibn Mājah; Bayhaqī's Shuʿab from ʿĀʾishah
السيوطي:٥٣٥٣aعن عائشة

«إِنَّ الله تَعالى ينْزِلُ لَيلة النِّصْف مِنْ شَعْبَانَ إِلى سَمَاء الدُّنْيَا فَيَغْفِرُ لأكثَرَ مِنْ عَدَدِ شَعْر غَنَم كَلبٍ۔»  

[حم] أحمد [ت] الترمذي وضعَّفه، [هـ] ابن ماجة [هب] البيهقى في شعب الإيمان عن عائشة

See similar narrations below:

Collected by Suyūṭī
suyuti:2485a

"When it is the night of the middle of ˹the month of˺ Shaʿbān, Allah forgives more sins than the number of hair on the sheep of ˹the tribe of˺ (Banū) Kalb."  

Bayhaqī's Shuʿab from ʿĀʾishah
السيوطي:٢٤٨٥aعن عائشة

«إِذا كانَ ليلةُ النصف من شعبان يَغْفِرُ الله الذنوب أكثَر من عددِ شعرِ غنمِ كلبٍ۔»  

[هب] البيهقى في شعب الإيمان عن عائشة