Well, the Hijri date 28 Rajab 1186 corresponds to the Gregorian date Sunday, 25 October 1772. This date lies in the seventh month of the Hijri year 1186 AH, which is Rajab of 1186 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1186/07/28 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 25 October 1772 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Rajab 1186 AH to its equivalent Gregorian date.
وَهُوَ ٱلَّذِى كَفَّ أَيْدِيَهُمْ عَنكُمْ وَأَيْدِيَكُمْ عَنْهُم بِبَطْنِ مَكَّةَ مِنۢ بَعْدِ أَنْ أَظْفَرَكُمْ عَلَيْهِمْ ۚ وَكَانَ ٱللَّهُ بِمَا تَعْمَلُونَ بَصِيرًا
And He it is Who hath withheld men's hands from you, and hath withheld your hands from them, in the valley of Mecca, after He had made you victors over them. Allah is Seer of what ye do.
Surah Al-Fath(48:24)