Well, the Hijri date 8 Rajab 1230 corresponds to the Gregorian date Thursday, 15 June 1815. This date lies in the seventh month of the Hijri year 1230 AH, which is Rajab of 1230 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1230/07/08 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 June 1815 to its equivalent Arabic date.
The following is the conversion of the Arabic date 8 Rajab 1230 AH to its equivalent Gregorian date.
سُنَّةَ مَن قَدْ أَرْسَلْنَا قَبْلَكَ مِن رُّسُلِنَا ۖ وَلَا تَجِدُ لِسُنَّتِنَا تَحْوِيلًا
(Such was Our) method in the case of those whom We sent before thee (to mankind), and thou wilt not find for Our method aught of power to change.
Surah Al-Israa(17:77)