Well, the Hijri date 4 Shaban 1189 corresponds to the Gregorian date Friday, 29 September 1775. This date lies in the eighth month of the Hijri year 1189 AH, which is Shaban of 1189 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1189/08/04 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 29 September 1775 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Shaban 1189 AH to its equivalent Gregorian date.
فَلَمَّا رَجَعُوٓا۟ إِلَىٰٓ أَبِيهِمْ قَالُوا۟ يَٰٓأَبَانَا مُنِعَ مِنَّا ٱلْكَيْلُ فَأَرْسِلْ مَعَنَآ أَخَانَا نَكْتَلْ وَإِنَّا لَهُۥ لَحَٰفِظُونَ
So when they went back to their father they said: O our father! The measure is denied us, so send with us our brother that we may obtain the measure, surely we will guard him well.
Surah Yusuf(12:63)
