Well, the Hijri date 4 Ramadan 1203 corresponds to the Gregorian date Thursday, 28 May 1789. This date lies in the ninth month of the Hijri year 1203 AH, which is Ramadan of 1203 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1203/09/04 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 28 May 1789 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Ramadan 1203 AH to its equivalent Gregorian date.
يُقَلِّبُ ٱللَّهُ ٱلَّيْلَ وَٱلنَّهَارَ ۚ إِنَّ فِى ذَٰلِكَ لَعِبْرَةًۭ لِّأُو۟لِى ٱلْأَبْصَٰرِ
Allah causeth the revolution of the day and the night. Lo! herein is indeed a lesson for those who see.
Surah An-Noor(24:44)