Surah Nas : Tafseer Ahsan Islahi
He had asked for that a long time, but he was not granted it. He was given the appointed/known time, which was till his death, like others. See the verses: قَالَ رَبِّ فَأَنظِرْنِي إِلَىٰ يَوْمِ يُبْعَثُونَ ‎﴿ ٣٦﴾‏ قَالَ فَإِنَّكَ مِنَ الْمُنظَرِينَ ‎﴿ ٣٧﴾‏ إِلَىٰ يَوْمِ الْوَقْتِ الْمَعْلُومِ