Well, the Hijri date 25 Shawwal 1230 corresponds to the Gregorian date Friday, 29 September 1815. This date lies in the tenth month of the Hijri year 1230 AH, which is Shawwal of 1230 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1230/10/25 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 29 September 1815 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Shawwal 1230 AH to its equivalent Gregorian date.
وَلَهُۥ مَا فِى ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ وَلَهُ ٱلدِّينُ وَاصِبًا ۚ أَفَغَيْرَ ٱللَّهِ تَتَّقُونَ
Unto Him belongeth whatsoever is in the heavens and the earth, and religion is His for ever. Will ye then fear any other than Allah?
Surah An-Nahl(16:52)