Well, the Hijri date 11 Muharram 1199 corresponds to the Gregorian date Tuesday, 23 November 1784. This date lies in the first month of the Hijri year 1199 AH, which is Muharram of 1199 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1199/01/11 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 23 November 1784 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Muharram 1199 AH to its equivalent Gregorian date.
وَٱتْلُ عَلَيْهِمْ نَبَأَ ٱلَّذِىٓ ءَاتَيْنَٰهُ ءَايَٰتِنَا فَٱنسَلَخَ مِنْهَا فَأَتْبَعَهُ ٱلشَّيْطَٰنُ فَكَانَ مِنَ ٱلْغَاوِينَ
Recite unto them the tale of him to whom We gave Our revelations, but he sloughed them off, so Satan overtook him and he became of those who lead astray.
Surah Al-A'raaf(7:175)