Well, the Hijri date 20 Dhul Hijjah 1198 corresponds to the Gregorian date Wednesday, 3 November 1784. This date lies in the twelfth month of the Hijri year 1198 AH, which is Dhu Al-Hijjah of 1198 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1198/12/20 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 3 November 1784 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Dhul Hijjah 1198 AH to its equivalent Gregorian date.
وَأَمَّا مَنْ أُوتِىَ كِتَٰبَهُۥ بِشِمَالِهِۦ فَيَقُولُ يَٰلَيْتَنِى لَمْ أُوتَ كِتَٰبِيَهْ
But as for him who is given his record in his left hand, he will say: Oh, would that I had not been given my book
Surah Al-Haaqqa(69:25)