Well, the Hijri date 2 Shawwal 1203 corresponds to the Gregorian date Thursday, 25 June 1789. This date lies in the tenth month of the Hijri year 1203 AH, which is Shawwal of 1203 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1203/10/02 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 25 June 1789 to its equivalent Arabic date.
The following is the conversion of the Arabic date 2 Shawwal 1203 AH to its equivalent Gregorian date.
أُو۟لَٰٓئِكَ ٱلَّذِينَ ءَاتَيْنَٰهُمُ ٱلْكِتَٰبَ وَٱلْحُكْمَ وَٱلنُّبُوَّةَ ۚ فَإِن يَكْفُرْ بِهَا هَٰٓؤُلَآءِ فَقَدْ وَكَّلْنَا بِهَا قَوْمًۭا لَّيْسُوا۟ بِهَا بِكَٰفِرِينَ
Those are they unto whom We gave the Scripture and command and prophethood. But if these disbelieve therein, then indeed We shall entrust it to a people who will not be disbelievers therein.
Surah Al-An'aam(6:89)