Well, the Hijri date 17 Rajab 1200 corresponds to the Gregorian date Monday, 15 May 1786. This date lies in the seventh month of the Hijri year 1200 AH, which is Rajab of 1200 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1200/07/17 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 15 May 1786 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Rajab 1200 AH to its equivalent Gregorian date.
وَكَتَبْنَا لَهُۥ فِى ٱلْأَلْوَاحِ مِن كُلِّ شَىْءٍۢ مَّوْعِظَةًۭ وَتَفْصِيلًۭا لِّكُلِّ شَىْءٍۢ فَخُذْهَا بِقُوَّةٍۢ وَأْمُرْ قَوْمَكَ يَأْخُذُوا۟ بِأَحْسَنِهَا ۚ سَأُو۟رِيكُمْ دَارَ ٱلْفَٰسِقِينَ
And We wrote for him, upon the tablets, the lesson to be drawn from all things and the explanation of all things, then (bade him): Hold it fast; and command thy people (saying): Take the better (course made clear) therein. I shall show thee the abode of evil-livers.
Surah Al-A'raaf(7:145)