Sura 26 Ash-Shu'ara' (The Poets), aya 38

1. فَجُمِعَ السَّحَرَةُ لِمِيقَاتِ يَوْمٍ مَعْلُومٍ

   So the magicians were assembled for the appointment of a well-known day.

   26:38

Tafsiri: Saheeh International