Well, the Hijri date 3 Rabi Al Thani 1203 corresponds to the Gregorian date Wednesday, 31 December 1788. This date lies in the fourth month of the Hijri year 1203 AH, which is Rabi Al-Thani of 1203 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1203/04/03 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 31 December 1788 to its equivalent Arabic date.
The following is the conversion of the Arabic date 3 Rabi Al Thani 1203 AH to its equivalent Gregorian date.
ٱتَّخَذُوٓا۟ أَحْبَارَهُمْ وَرُهْبَٰنَهُمْ أَرْبَابًۭا مِّن دُونِ ٱللَّهِ وَٱلْمَسِيحَ ٱبْنَ مَرْيَمَ وَمَآ أُمِرُوٓا۟ إِلَّا لِيَعْبُدُوٓا۟ إِلَٰهًۭا وَٰحِدًۭا ۖ لَّآ إِلَٰهَ إِلَّا هُوَ ۚ سُبْحَٰنَهُۥ عَمَّا يُشْرِكُونَ
They have taken as lords beside Allah their rabbis and their monks and the Messiah son of Mary, when they were bidden to worship only One Allah. There is no Allah save Him. Be He Glorified from all that they ascribe as partner (unto Him)!
Surah At-Tawba(9:31)