Well, the Hijri date 12 Ramadan 1188 corresponds to the Gregorian date Tuesday, 15 November 1774. This date lies in the ninth month of the Hijri year 1188 AH, which is Ramadan of 1188 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1188/09/12 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 November 1774 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Ramadan 1188 AH to its equivalent Gregorian date.
يَشْهَدُهُ ٱلْمُقَرَّبُونَ
Attested by those who are brought near (unto their Lord).
Surah Al-Mutaffifin(83:21)