Well, the Hijri date 19 Muharram 1203 corresponds to the Gregorian date Sunday, 19 October 1788. This date lies in the first month of the Hijri year 1203 AH, which is Muharram of 1203 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1203/01/19 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 19 October 1788 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Muharram 1203 AH to its equivalent Gregorian date.
قَالُوا۟ مَآ أَنتُمْ إِلَّا بَشَرٌۭ مِّثْلُنَا وَمَآ أَنزَلَ ٱلرَّحْمَٰنُ مِن شَىْءٍ إِنْ أَنتُمْ إِلَّا تَكْذِبُونَ
They said: Ye are but mortals like unto us. The Beneficent hath naught revealed. Ye do but lie!
Surah Yaseen(36:15)