Well, the Hijri date 24 Shaban 1278 corresponds to the Gregorian date Sunday, 23 February 1862. This date lies in the eighth month of the Hijri year 1278 AH, which is Shaban of 1278 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1278/08/24 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 23 February 1862 to its equivalent Arabic date.
The following is the conversion of the Arabic date 24 Shaban 1278 AH to its equivalent Gregorian date.
وَأَنَّهُۥ كَانَ رِجَالٌۭ مِّنَ ٱلْإِنسِ يَعُوذُونَ بِرِجَالٍۢ مِّنَ ٱلْجِنِّ فَزَادُوهُمْ رَهَقًۭا
And indeed (O Muhammad) individuals of humankind used to invoke the protection of individuals of the jinn, so that they increased them in revolt against Allah);
Surah Al-Jinn(72:6)