Therefore, the magicians were assembled together at a fixed time on an appointed day.
The magicians were gathered at the appointed time, on the appointed day.
The sorcerers were gathered at the appointed time on a wellknown day
So the enchanters were gathered together for the appointment of a well-known day
So the magicians/sorcerers were gathered/collected to a known appointed place day/time
The magicians came to the meeting place as it was planned
So the magicians were gathered at a set time on a day appointed
So the sorcerers were assembled together at the appointed time on a fixed day
So all the sorcerers were assembled at the appointed time on the fixed day
So the sorcerers were gathered together at the appointed time and place on a fixed day
So the sorcerers were assembled at a fixed time on a day appointed