Well, the Hijri date 24 Jumada Al Oula 1258 corresponds to the Gregorian date Saturday, 2 July 1842. This date lies in the fifth month of the Hijri year 1258 AH, which is Jumada Al-Awwal of 1258 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1258/05/24 is calculated using the Umm Al-Qura calendar and the sighting of the moon. One thing to remember is that this Arabic date may occur on different Gregorian date depending upon the region and country and obviously the moon.
If you are still not sure about the date then you can use our Arabic date converter.
The following is the conversion of the Gregorian date 2 July 1842 to its equivalent Arabic date.
The following is the conversion of the Arabic date 24 Jumada Al Oula 1258 AH to its equivalent Gregorian date.
فَأُلْقِىَ ٱلسَّحَرَةُ سُجَّدًۭا قَالُوٓا۟ ءَامَنَّا بِرَبِّ هَٰرُونَ وَمُوسَىٰ
Then the wizards were (all) flung down prostrate, crying: We believe in the Lord of Aaron and Moses.
Surah Taa-Haa(20:70)