Well, the Hijri date 15 Rajab 1198 corresponds to the Gregorian date Thursday, 3 June 1784. This date lies in the seventh month of the Hijri year 1198 AH, which is Rajab of 1198 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1198/07/15 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 June 1784 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Rajab 1198 AH to its equivalent Gregorian date.
ٱلَّذِى جَعَلَ لَكُم مِّنَ ٱلشَّجَرِ ٱلْأَخْضَرِ نَارًۭا فَإِذَآ أَنتُم مِّنْهُ تُوقِدُونَ
Who hath appointed for you fire from the green tree, and behold! ye kindle from it.
Surah Yaseen(36:80)