Ash-Shu'ara 26:38
فَجُمِعَ ٱلسَّحَرَةُ لِمِيقَـٰتِ يَوْمٍ مَّعْلُومٍ
FajumiAAa assaharatu limeeqatiyawmin maAAloom
So the magicians were assembled for the appointment of a well-known day.
So the sorcerers were assembled for the appointed time of a known day,