Well, the Hijri date 13 Dhul Hijjah 1242 corresponds to the Gregorian date Saturday, 7 July 1827. This date lies in the twelfth month of the Hijri year 1242 AH, which is Dhu Al-Hijjah of 1242 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1242/12/13 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 7 July 1827 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Dhul Hijjah 1242 AH to its equivalent Gregorian date.
أَوَلَمْ يَرَوْا۟ أَنَّ ٱللَّهَ يَبْسُطُ ٱلرِّزْقَ لِمَن يَشَآءُ وَيَقْدِرُ ۚ إِنَّ فِى ذَٰلِكَ لَءَايَٰتٍۢ لِّقَوْمٍۢ يُؤْمِنُونَ
See they not that Allah enlargeth the provision for whom He will, and straiteneth (it for whom He will). Lo! herein indeed are portents for folk who believe.
Surah Ar-Room(30:37)