Well, the Hijri date 1 Jumada Al Akhira 1198 corresponds to the Gregorian date Wednesday, 21 April 1784. This date lies in the sixth month of the Hijri year 1198 AH, which is Jumada Al-Thani of 1198 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1198/06/01 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 21 April 1784 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Jumada Al Akhira 1198 AH to its equivalent Gregorian date.
تِلْكَ أُمَّةٌۭ قَدْ خَلَتْ ۖ لَهَا مَا كَسَبَتْ وَلَكُم مَّا كَسَبْتُمْ ۖ وَلَا تُسْـَٔلُونَ عَمَّا كَانُوا۟ يَعْمَلُونَ
Those are a people who have passed away. Theirs is that which they earned, and yours is that which ye earn. And ye will not be asked of what they used to do.
Surah Al-Baqara(2:134)