26:38

Ash-Shu'araa 26:38

فَجُمِعَ ٱلسَّحَرَةُ لِمِيقَٰتِ يَوْمٍۢ مَّعْلُومٍۢ

Fa jumi'as saharatu limeeqaati Yawmim ma'loom

So the magicians were brought together on a particular day at a set time