Well, the Hijri date 27 Rajab 1203 corresponds to the Gregorian date Wednesday, 22 April 1789. This date lies in the seventh month of the Hijri year 1203 AH, which is Rajab of 1203 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1203/07/27 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 22 April 1789 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Rajab 1203 AH to its equivalent Gregorian date.
إِن نَّقُولُ إِلَّا ٱعْتَرَىٰكَ بَعْضُ ءَالِهَتِنَا بِسُوٓءٍۢ ۗ قَالَ إِنِّىٓ أُشْهِدُ ٱللَّهَ وَٱشْهَدُوٓا۟ أَنِّى بَرِىٓءٌۭ مِّمَّا تُشْرِكُونَ
We say naught save that one of our gods hath possessed thee in an evil way. He said: I call Allah to witness, and do ye (too) bear witness, that I am innocent of (all) that ye ascribe as partners (to Allah)
Surah Hud(11:54)