MUSJIDUL HAQ

وَ لَیَالٍ عَشْرٍ ۙ﴿۲﴾

And (by oath of) ten nights.

Tafsir al-Tabari                                                         تفسیر الطبری                                

عَنِ ابْنِ عَبَّاسٍ، قَالَ: إِنَّ اللَّيَالِي الْعَشْرَ الَّتِي أَقْسَمَ اللَّهُ بِهَا، هِيَ لَيَالِي الْعَشْرِ الْأُوَلُ مِنْ ذِي الْحِجَّةِ

Sayyiduna Ibn ‘Abbas – may Allah be pleased with him – is reported to have said:  It is the ten nights Allah Almighty has taken the oath of.  They are the first ten nights of the month of Dhul Hijjah.

Tafsir Al-Tabari (Tafsir Ibn Jareer / Jame’ al-Bayaan fi Taweel al-Quraan) of Imam Abu Ja’far Muhammad ibn Jareer al-Tabri t D. 310 A.H.

Tafsir al-Qurtubi                                                                                                                                                                                      تفسیر القرطبی                                                    

وَعَنِ ابْنِ عَبَّاسٍ أَيْضًا: هِيَ الْعَشْرُ الْأَوَاخِرُ مِنْ رَمَضَانَ، وَقَالَهُ الضَّحَّاكُ.

Sayyiduna Ibn ‘Abbas – may Allah be pleased with them – is reported to have said:  It is last ten nights of the month of Ramadan.  Sayyiduna Dhahhak – may Allah be pleased with them – has made this statement.

Tafsir Qurtubi (Al-Jame’ Li Ahkaam al-Quran) Imam Shamsuddin Muhammad ibn Ahmad al-Qurtubi t D. 671 A.H.

Tafsir al-Jalalain                                                                                                                        تفسیر الجلالین                                                

{وَلَيَالٍ عَشْر} أَيْ عَشْر ذِي الْحِجَّة

i.e. the ten nights of Dhul Hijjah.

Tafsir al-Jalalain of Imam Jalaaluddin Muhammad ibn Ahmad al-Mahalli al-Shafe’i t D. 864 A.H. and Imam Jalaaluddin Abd al-Rahman ibn Abi Bakr al-Suyooti al-Shafe’i t D. 911 A.H.