Well, the Hijri date 9 Dhul Qidah 1218 corresponds to the Gregorian date Sunday, 19 February 1804. This date lies in the eleventh month of the Hijri year 1218 AH, which is Dhu Al-Qidah of 1218 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1218/11/09 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 February 1804 to its equivalent Arabic date.
The following is the conversion of the Arabic date 9 Dhul Qidah 1218 AH to its equivalent Gregorian date.
وَمَا كَانَ لَهُۥ عَلَيْهِم مِّن سُلْطَٰنٍ إِلَّا لِنَعْلَمَ مَن يُؤْمِنُ بِٱلْءَاخِرَةِ مِمَّنْ هُوَ مِنْهَا فِى شَكٍّۢ ۗ وَرَبُّكَ عَلَىٰ كُلِّ شَىْءٍ حَفِيظٌۭ
And he had no warrant whatsoever against them, save that We would know him who believeth in the Hereafter from him who is in doubt thereof; and thy Lord (O Muhammad) taketh note of all things.
Surah Saba(34:21)