Well, the Hijri date 5 Dhul Qidah 1242 corresponds to the Gregorian date Wednesday, 30 May 1827. This date lies in the eleventh month of the Hijri year 1242 AH, which is Dhu Al-Qidah of 1242 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1242/11/05 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 30 May 1827 to its equivalent Arabic date.
The following is the conversion of the Arabic date 5 Dhul Qidah 1242 AH to its equivalent Gregorian date.
فَلَعَلَّكَ بَٰخِعٌۭ نَّفْسَكَ عَلَىٰٓ ءَاثَٰرِهِمْ إِن لَّمْ يُؤْمِنُوا۟ بِهَٰذَا ٱلْحَدِيثِ أَسَفًا
Yet it may be, if they believe not in this statement, that thou (Muhammad) wilt torment thy soul with grief over their footsteps.
Surah Al-Kahf(18:6)