Well, the Hijri date 9 Dhul Qidah 1235 corresponds to the Gregorian date Thursday, 17 August 1820. This date lies in the eleventh month of the Hijri year 1235 AH, which is Dhu Al-Qidah of 1235 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1235/11/09 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 17 August 1820 to its equivalent Arabic date.
The following is the conversion of the Arabic date 9 Dhul Qidah 1235 AH to its equivalent Gregorian date.
وَهُوَ ٱللَّهُ فِى ٱلسَّمَٰوَٰتِ وَفِى ٱلْأَرْضِ ۖ يَعْلَمُ سِرَّكُمْ وَجَهْرَكُمْ وَيَعْلَمُ مَا تَكْسِبُونَ
He is Allah in the heavens and in the earth. He knoweth both your secret and your utterance, and He knoweth what ye earn.
Surah Al-An'aam(6:3)