فَجُمِعَ السَّحَرَةُ لِمِيقَاتِ يَوْمٍ مَّعْلُومٍ (38)
(26:38) So, the magicians were gathered together on an appointed day and time, *31
*31) As already mentioned in Surah Ta Ha (v. 59), the day fixed for the purpose was the day of the national festivities of the Egyptians so that large crowds of people coming to the festivals from every part of the country should also witness the grand "contest which was to be held in the broad daylight so that the spectators could see the performances clearly.