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:13771aAbū Umāmah

"There are five nights wherein supplications are not rejected: (1) the first night of ˹the month of˺ Rajab, (2) the night of the middle of ˹the month of˺ Shaʿbān, (3) the night of ˹every˺ Friday, (4) the night of the ˹ʿīd of˺ Fiṭr, and (5) the night of the ˹ʿīd of˺ Sacrifice.  

Daylamī, Ibn ʿAsākir's Tārīkh from Abū Umāmah
السيوطي:١٣٧٧١aأَبى أُمامة

«خَمْسُ لَيَالٍ لا تُرد فيهن الدَّعْوةُ: (١) أَوَّلُ لَيْلَةٍ مِن رجبٍ، (٢) ولَيْلَة النِّصْفِ مِنْ شَعْبَانَ، (٣) ولَيلَةِ الجُمُعةِ، (٤) ولَيْلَةِ الفِطر، (٥) ولَيْلَةِ النَّحْرِ۔»  

الديلمى، [كر] ابن عساكر في تاريخه عن أَبى أُمامة