Al-Hijr • EN-AL-JALALAYN
﴿ إِلَىٰ يَوْمِ ٱلْوَقْتِ ٱلْمَعْلُومِ ﴾
“till the Day the time whereof is known [to Me alone]."”
until the day of the known time’ the time of the blowing of the First Trumpet.