اِنَّاۤ اَنْزَلْنٰهُ فِیْ لَیْلَةِ الْقَدْرِ ۟ۚۖاِنَّاۤ اَنۡزَلۡنٰهُ فِىۡ لَيۡلَةِ الۡقَدۡرِ
We sent it [Quran] down on the Night of Destiny.
— Tazkirul Quran (En)
وَمَاۤ اَدْرٰىكَ مَا لَیْلَةُ الْقَدْرِ ۟ؕوَمَاۤ اَدۡرٰٮكَ مَا لَيۡلَةُ الۡقَدۡرِؕ
And what will make you comprehend what the Night of Destiny is?
— Tazkirul Quran (En)
Tafseer of 97:1–2
A particular night of the year (perhaps some night in the last days of the month of Ramadan) is the night of decisions by God. Certain tasks have to be performed in the course of the year in connection with the administration of the world, and the angels descend to the earth to arrange for them to be carried out. On a similar particular night, the revelation of the Quran began.