Well, the Hijri date 16 Dhul Qidah 1230 corresponds to the Gregorian date Thursday, 19 October 1815. This date lies in the eleventh month of the Hijri year 1230 AH, which is Dhu Al-Qidah of 1230 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1230/11/16 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 1815 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Dhul Qidah 1230 AH to its equivalent Gregorian date.
أَفَغَيْرَ دِينِ ٱللَّهِ يَبْغُونَ وَلَهُۥٓ أَسْلَمَ مَن فِى ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ طَوْعًۭا وَكَرْهًۭا وَإِلَيْهِ يُرْجَعُونَ
Seek they other than the religion of Allah, when unto Him submitteth whosoever is in the heavens and the earth, willingly or unwillingly, and unto Him they will be returned.
Surah Aal-i-Imraan(3:83)